Repeating the note here for anybody who is subscribed: PLEASE NOTE: This exact setup does not appear to work on Cleanflight 1.10. The issue seems to be that the FC sees that the throttle is not idle and refuses to arm. This check must have been done in the opposite order in 1.9 or something. The workaround is to create a logical switch that is conditional on your arming switch being in the "armed" position, and with a Delay setting of 0.1. Then make the throttle input line conditional on the logical switch instead of the physical arming switch. The effect will be that the copter will arm when you flip the switch, and then 0.1 seconds later, the throttle will come off idle and not return to zero until you disarm again. This video describes the workaround: th-cam.com/video/M1QwPkD05YU/w-d-xo.html
I want to use this extremely badly, but I'm an idiot when it comes to taranis programming. If I understand you correctly, the video above no longer works with 1.10+? Using latest betaflight of course... is it possible to update the video to match your logical switch method?
+ArminFPV In the "Logical Switches" Screen, set L1 to: Function = AND V1 = SF_UP (where SF is the switch you use to arm and up is the armed position) Delay = 0.2 In the "Inputs" Screen, set the Throttle Input as follows: Line 1 Source = Throttle Switch = SF_DOWN (where SF is the switch you use to arm and down is the disarmed position) Line 2 Source = Throttle Curve = Diff 12 (Adjust the number to put the idle speed higher or lower per your preferences) Switch = L1
+Joshua Bardwell you're the freaking man. thanks so much. somehow I got it to work without the logical switches. maybe it's not set *properly* though, I will do this instead. thanks for everything you do joshua
Thank you so much for your videos. I am almost a complete noob and have learned most of what I know from videos like yours. I only have some micro brushed quads I built at the moment but intend on building a 5" brushless quad soon. Keep putting out the good content man.
Joshua Bardwell , yes it is moving in betaflight and it is also connect but with taranis when i move the stick, sometimes motor's make sound as if it is just starting and sometimes it goes to off mode and then i have to restart the copter and most of the time it doesn't give any response, every thing is proper it's just motor's are not spinning on the throttle.
I'm running a cc3d and openpilot. Openpilot allows you to assign a accessory to change to different throttle curves, but instead I put it in the radio like you did. However I did it differently. I arm with the two pos switch. Then use the three pos switch to mix the throttle input. So down is idle off -100~+100 diff 0. Middle idle up -88.7~+100 diff 12. UP idle 2 -85~+100 diff 14. So if any of the idle up is used the throttle won't arm because it won't see zero. So the motors arm off. The Taranis is a powerful TX.
+Invitingsauce This is also a fine approach. I actually do have a switch that disables idle-up, although I default it to be on all the time. I use the disable switch if I want to arm on the bench without spinning the motors (e.g. to test failsafe or something). I never use it at the field though.
Hope you're doing well man. Love the videos and have been around since the Blackbox videos, I'm wondering if there is a big difference in how to setup throttle cut or idle up switch nowadays compared to when you made this video. Recently I seen Steele and Snake talking about using this for freestyling and I've wanted to try it over airmode.
I have only used airmode since it was released and I've gotten so use to it. Maybe a good idea for a video. Can do the test the right way. Thanks again for everything you do in our amazing hobby.
I had done this exact same thing except I just added "10" to the Offset on what I believe is the same Taranis page you are showing. When the switch is armed I set it to add just enough to go a few steps past min throttle
+Rick C I tested this out some today and found that I still had a bit less authority than I wanted, so I raised the parameter just a bit more. I think there may be some value to having the "idle up" not let the throttle go quite all the way down. It probably depends a lot on the individual setup. This way, my descents are not quite as fast as they would otherwise be, but at least I hold attitude.
+Joshua Bardwell I tested this a bit last night also...My curiosity was more in the difference between using "Offset" and the curve feature "Diff" like you have in the vid. Basically using "Diff" you are just adding steps to the throttle channel on the lower end. Anything after 1500, and you won't see a change in the throttle which perhaps might be the way to go. "Offset" basically just adds steps throughout the entire throttle range. As for the control authority, I've always run my Min throttle a tad low, so in order to get this to work efficiently I had to increase min throttle from 1070 (barely spinning) to 1120. I think this also depends greatly on the weight of the craft. My miniH did great using your "Diff" curve once I increased the Min throttle to a number that will spin enough to have decent control. I set the switch to go 2 steps past min check (1050) which was 1052, then Min throttle kicks in (1120) and it worked really well! I was only able to test in the front yard but I am thinking this will be a huge help for me when doing inverted acro. I have an MB Epic 280 that I tried this method on as well, and I think its just a bit too heavy but I'm excited to try it out on my minis. Thanks!
+Joshua Bardwell that's a good point....I will check that. Honestly I switched it to Diff and left it at that but I do have other models on my Taranis setup using Offset so I will take a look at that when I get home. Based on what I observed yesterday I am 95% sure it will indeed hit 2000 before the stick maxes out. I have flown for several weeks with it that way, so I can't say that it I ever noticed anything but still a good point.
+Zenman FPV If the graph in the Taranis is to be believed, then it changes only the bottom half of the throttle curve. There is a sharp angle at 50% and the curve returns to normal. I haven't noticed it at all during flight, but possibly if my hover point was further from 50% I might. You could use a custom curve to make the throttle do whatever you like, if it matters.
This creates an uneven throttle curve, where there is less throw between minimum and mid than there is between mid and maximum. You can see this in both cleanflight and in the taranis if you exaggerate the diff to a greater value (say 40), then enable it and you will see the curve only affects throttle response below mid, where as the throttle curve between mid and full is unchanged. Basically what this does is makes the throttle more touchy down low. I wonder if it's enough to really notice it though, or if there's another way around this?
+venturation It is really an incredibly small difference, and I don't notice it all in flight. But if you really care about that, you can create a custom curve instead. I just like the ability to tweak the diff value easily rather than having to go into the curve editor.
Josh, is this still needed with the PID at min throttle option in betaflight? If your not running motor stop and your min throttle command in cleanflight makes your motors run at arm?
+PeeeJayz With PID at min throttle, the I term is still reset when the throttle is below min_check. Betaflight has added the ability to extend the time period before the I term is reset. But I just prefer this method, which prevents the I term from resetting at all. Just make sure to take off shortly after arming, before the I term starts to wind up on the ground.
Makes sence, I wasn't sure if that feature removes the need for this new. I will create a custom mix tongiht and add it to my arm switch :) Should resolve the problems I have when getting inverted ;)
Should the motors spin at all with zero input (mine do not BUT I have seen videos where when armed the motors spin until the kill switch is flipped.) If so do we bump the "D11" up until the motors just start to spin? Thanks. Your videos go into more then just the basics and I can not wait until I progress enough to dive into the good stuff. Keep it up.
Exactly. Raise D11 until the motors just start to spin when the throttle is at zero. This is the point of idle up. But if you are using a recent version of Betaflight, then I recommend using "air mode" instead. Air mode is superior to idle up. th-cam.com/video/d2nRrVENEYM/w-d-xo.html
One more question answer both the tiny switches on the back of my r9m are off is that the proper configuration? I have the radio set to external module r9m FCC and then s bus pops up as far as I know it's not on PPM
joshua - Great video - thanks ! QQ : I seem to have the differential curve working great in the Taranis (as per your video) with the throttle output curve being a little higher than normal when my chosen switch is activate, however I am not seeing this change appear in CleanFlight (receiver tab). Any thoughts ??
+Ankur Mathur Does your configurator GUI continue working after you arm? If you have telemetry on UART1, the GUI will get locked out when you arm. This would cause your throttle channel to appear to stay the same. But nothing else would move either.
+Joshua Bardwell - yup all values continue to show up in CF. The new curve with the low throttle point being a little higher shows up great in the Tx. Just cannot get that low point to show up in CF as per 2.45min into your video :-(
If I was to set this up today on bf 3.3 on a switch different from the arm switch. With airmode off arming in acro mode. What does it mean if my motors slowly start to spool up and slow increase rpm
Have you ever ran the kiss FC, can I do something like this with the kiss FC, I just switched over to using the kiss fc and I am having trouble with my quad just falling out of the sky when I get close to 0 throttle and I keep crashing, I am so frustrated that I have started building a new quad with a naze32... I have always been using a cc3d fc before any of these other FC's and my quad would float at zero, now with the a X style frame ( had a H style before) and Kiss FC the damn thing will flip out of control and fall when I cut the throttle. (uncontrolled flip)
i m confused Joshua, you have to do all of this configuration, to keep the controls of your sticks when the copter is not flying ? or this is actually helps to keep the full control on the quadmotors idleling at a lower rpm ?
Thanks for your answer, i thought we could already do that, in the basic configuration using air mode, and i didn t ask my question properly, so is it to reduce the rpm even more ? or to use a different mode ?
JB, trying to go to idle-up instead of airmode to prevent the bouncy landings. Removed "air-mode" from MODES. Setup Taranis with SF(up)-ARM and SB(up)-IDLE@1071. Have the DIFF setup at 14 to get 1071 (need 1065 for all motors to come online smooth). Everything looks great in RECEIVER tab in Betaflight 3. When I arm, motors spin at min throttle. Dammit! Ok... enabled motor stop. Now motors don't spin if armed or even if throttle is at 1071(IDLE-UP). Dammit! Set min throttle to 1000. ARM+IDLEUP = nothing. Dammit! What am I missing here?
With motor_stop enabled, motors should spin at min_throttle whenever the throttle channel is above min_check. If the copter is armed and the motors are not spinning one of those conditions isn't true.
So for IDLE UP to work I would need: motor_stop enabled, min_throttle to 1071 (in my case), min_check to 1070, and my Taranis should register in RECEIVER tab as 1071 w/ IDLE-UP? Disarm motor timer ok at 5 seconds?
That worked. Sort of. It does something funky when I throttle down where some of the motors may stay spooled up and don't drop to min-throttle (in rate mode). Tried reverting to airmode and noticed it does the same thing - not sure what's going on but not sure that I trust it.
Ive seen a few people mention they do it that way. My esc,s are callibrated to 1060 and I set my min throttle to 1120. That way when it arms the props spin and cant go below that. Is there a reason your way is better, Im interested in your thoughts
+Noel Harris This is separate from min_throttle. If you have feature MOTOR_STOP disabled, then your motors will spin at min_throttle when the throttle is at zero. But the PID loop will not be running, so the motors will just idle and the copter will tumble. If you set pid_at_min_throttle=1 and if you disable feature MOTOR_STOP, then the PID loop will still run at zero throttle, and the copter will still be stabilized and respond to stick inputs at zero throttle. This is the default setting for Cleanflight 1.9. Here is the problem: when the throttle is at zero, the I term in the PID loop is regularly zeroed out. This is to keep the motors from spinning up when the copter is at zero throttle on the ground. But if you are in flight, it means that the copter will not be as stabilized as it could be. So this method prevents the throttle from ever going to zero, which prevents the I term from being reset, which makes the copter more stable if you do zero throttle descents. The down-side of this is that if you arm while you are on the ground, and then don't take off within five or ten seconds, the motors will begin to spin up in an attempt to correct against vibrations that are not really happening because the copter is on the ground.
+Joshua Bardwell I think I understand. So your saying that if Ive got motor-stop disabled, pid-at-min-throttle=1 , even though I have my min throttle set to 1120 it will still destabilise if I drop the throttle to zero? I never really drop it to zero while flying but Ill try next time and see what it does. Thanks for explaining it.
+Noel Harris Some people have noticed that it destabilizes a bit. Others have said it's no big deal. The I term is really important for maintaining longer-term stability e.g. in rapid descents. Check this out to see what it's like descending with the "idle up" switch. th-cam.com/video/CXRP5oX1oqY/w-d-xo.html
+Joshua Bardwell I have actually noticed the destabilization when I drop my throttle to 0 with airmode enabled in CF, the front of the copter will usually tilt back a bit.
Joshua Bardwell could you add a word about that in the description ? A few of your videos redirect here and it would.be nice for that information to be more visible. I had to trust my instinct and confirm in the comments that this was redundant with airmode. Thanks!
Joshua Bardwell could you add a word about that in the description ? A few of your videos redirect here and it would.be nice for that information to be more visible. I had to trust my instinct and confirm in the comments that this was redundant with airmode. Thanks!
What I don't get is that if you crash, and have this setup, you'd have to disarm as soon as it happens. On Steele's las video (Brown something) he crashes and doesn't touch any button, switch, lever, nothing. He just lets it be! What's going on there?
Sir I have a problem I hope you can help I have a r 9 M TX module, r9mm RX and R9 mini RX all three flash with the latest firmware taranis qx7 on 2 2 2 everything else is flashed with regular firmware not Flex and everything I tried the module won't bind it to either RX any ideas everything is FCC and I try all the Telemetry options Telemetry on Telemetry off 8 channel 16 channel I'm going to try the flex firmware on everything if you think it pays?
If everything is on FCC firmware and everything is on the same firmware version, then it really should bind. I can't think of a reason why it wouldn't. I guess I would try Flex firmware and cross fingers.
sir , i have build my quadcopter with sp racing f3 and x4r-sb , it is perfectly working when connecting to betaflight but not working with my taranis qx7 , it is connected (giving green led and also show response in betaflight for receiver) don't know what to do , please help me out , waiting for your reply .
Do the channels move in the Receiver Tab when you move the sticks on the transmitter? If no, then you need to configure receiver type correctly, configure UART in the Ports tab, check wiring, and so forth. If yes, then please describe more what the problem is.
Joshua Bardwell , yes it is moving in betaflight and it is also connect but with taranis when i move the stick, sometimes motor's make sound as if it is just starting and sometimes it goes to off mode and then i have to restart the copter and most of the time it doesn't give any response, every thing is proper it's just motor's are not spinning on the throttle.
This doesn't seem work at all on a Taranis Plus. No matter how high I set the Diff, I still have to raise the actual throttle stick up a few clicks to engage the motors. They don't just run at low speed on their own. I wonder what I missed.
+TeamPreach With the stick at the bottom, does the throttle channel in the Taranis channel monitor bump upwards when you flip the switch? If no, that is your problem, but I can't really delve into troubleshooting why... it's too open-ended.
+Joshua Bardwell No. That's exactly the issue. No matter what I do to the curve, the little crosshair on the curve doesn't move up the curve unless I move the throttle stick up a few clicks. I put the diff all the way up to 30 and it still sat and waited for me to push up the throttle stick. The cleanflight throttle channel shows no movement when I hit the switch. I'm trying to figure out what else you did that I missed. Thanks for replying so fast.
+Joshua Bardwell On mine, the 100 changes from bold to regular when I hit the switch I assigned. The graph on the right that shows the throttle position stays at -100 regardless of where the switch is.
Thank you sir if the flex firmware doesn't work I'm throwing this brand new module and receivers in the garbage and end up buying TBS and do everything I can to make sure everyone knows frsky is junk
I know this is at very old video to ask.. But i want to do what le drib did with his flight mode ( th-cam.com/video/-oUFIwSRMtM/w-d-xo.html ). I set airmode on a switch, lower my idle percent, and have idle up switch (adding diff to my throttle) on a switch like you did in this video to get enough control while cutting throttle and not having desync issue because of very low idle percent. Everything works, but why after i switch airmode and idle up on, the motors keeps increasing its speed? Sometimes only on one motor, but somtimes all did. And it also happened with props on. Thats why i scared to fly with this setup, because im afraid i have to force disarm my quad from the sky.
It's normal for motors to speed up a little when in air mode, on the ground. It doesn't happen when you're flying. And if you have a problem of course you can always switch it off
Joshua Bardwell so the motors speed up will not happen when flying right.. Another question is it safe to use pid_on_min_throttle off? Like in this vid th-cam.com/video/jYhmNwDT-qI/w-d-xo.html because this is more likely which i prefer because i can totally remove 'gyro pid' action when i dont want.
+Rotceh Just couldn't bring myself to use a curve when diff did it so easily. And diff appears to move just the bottom of the scale too. Everything above halfway stays the same.
Repeating the note here for anybody who is subscribed:
PLEASE NOTE: This exact setup does not appear to work on Cleanflight 1.10. The issue seems to be that the FC sees that the throttle is not idle and refuses to arm. This check must have been done in the opposite order in 1.9 or something.
The workaround is to create a logical switch that is conditional on your arming switch being in the "armed" position, and with a Delay setting of 0.1. Then make the throttle input line conditional on the logical switch instead of the physical arming switch.
The effect will be that the copter will arm when you flip the switch, and then 0.1 seconds later, the throttle will come off idle and not return to zero until you disarm again.
This video describes the workaround: th-cam.com/video/M1QwPkD05YU/w-d-xo.html
+Joshua Bardwell Couldn't figure it out for the longest time until i found this tip. Thanks :)
I want to use this extremely badly, but I'm an idiot when it comes to taranis programming. If I understand you correctly, the video above no longer works with 1.10+? Using latest betaflight of course... is it possible to update the video to match your logical switch method?
+ArminFPV In the "Logical Switches" Screen, set L1 to:
Function = AND
V1 = SF_UP (where SF is the switch you use to arm and up is the armed position)
Delay = 0.2
In the "Inputs" Screen, set the Throttle Input as follows:
Line 1
Source = Throttle
Switch = SF_DOWN (where SF is the switch you use to arm and down is the disarmed position)
Line 2
Source = Throttle
Curve = Diff 12 (Adjust the number to put the idle speed higher or lower per your preferences)
Switch = L1
+Joshua Bardwell you're the freaking man. thanks so much. somehow I got it to work without the logical switches. maybe it's not set *properly* though, I will do this instead. thanks for everything you do joshua
+Joshua Bardwell is there maybe a Typo? I did it exactly like discribed, but throttle won't change in Cleanflight/BetaFlight when ARMED with SF :(
Thank you so much for your videos. I am almost a complete noob and have learned most of what I know from videos like yours. I only have some micro brushed quads I built at the moment but intend on building a 5" brushless quad soon. Keep putting out the good content man.
Joshua Bardwell , yes it is moving in betaflight and it is also connect but with taranis when i move the stick, sometimes motor's make sound as if it is just starting and sometimes it goes to off mode and then i have to restart the copter and most of the time it doesn't give any response, every thing is proper it's just motor's are not spinning on the throttle.
Thank you - you fixed it! My KISS FC would loose orientation when dumping throttle...
Sweet! Works like a charm Joshua! Had mine set at D23 for an idle speed of 1109. Thanks!!
+Brent Blanchard Awesome!
I'm running a cc3d and openpilot. Openpilot allows you to assign a accessory to change to different throttle curves, but instead I put it in the radio like you did. However I did it differently. I arm with the two pos switch. Then use the three pos switch to mix the throttle input. So down is idle off -100~+100 diff 0. Middle idle up -88.7~+100 diff 12. UP idle 2 -85~+100 diff 14. So if any of the idle up is used the throttle won't arm because it won't see zero. So the motors arm off. The Taranis is a powerful TX.
I did t change anything in the input screen. Just mix throttle with the three pos switch.
+Invitingsauce This is also a fine approach. I actually do have a switch that disables idle-up, although I default it to be on all the time. I use the disable switch if I want to arm on the bench without spinning the motors (e.g. to test failsafe or something). I never use it at the field though.
Joshua, would this work on todays kiss fc, instead of having min command at 1000, kiss fc's airmode bounces
Sweet i use the aux 1 and same switch on taranis to arm my naze. Will input the second command
Thanks and Thanks to Rotceh for the link :D
Hope you're doing well man. Love the videos and have been around since the Blackbox videos, I'm wondering if there is a big difference in how to setup throttle cut or idle up switch nowadays compared to when you made this video. Recently I seen Steele and Snake talking about using this for freestyling and I've wanted to try it over airmode.
I'm curious myself. I used to use idle up before air mode existed. Now I use air mode for everything.
I have only used airmode since it was released and I've gotten so use to it. Maybe a good idea for a video. Can do the test the right way. Thanks again for everything you do in our amazing hobby.
I had done this exact same thing except I just added "10" to the Offset on what I believe is the same Taranis page you are showing. When the switch is armed I set it to add just enough to go a few steps past min throttle
+Rick C I tested this out some today and found that I still had a bit less authority than I wanted, so I raised the parameter just a bit more. I think there may be some value to having the "idle up" not let the throttle go quite all the way down. It probably depends a lot on the individual setup. This way, my descents are not quite as fast as they would otherwise be, but at least I hold attitude.
+Joshua Bardwell I tested this a bit last night also...My curiosity was more in the difference between using "Offset" and the curve feature "Diff" like you have in the vid. Basically using "Diff" you are just adding steps to the throttle channel on the lower end. Anything after 1500, and you won't see a change in the throttle which perhaps might be the way to go. "Offset" basically just adds steps throughout the entire throttle range. As for the control authority, I've always run my Min throttle a tad low, so in order to get this to work efficiently I had to increase min throttle from 1070 (barely spinning) to 1120. I think this also depends greatly on the weight of the craft. My miniH did great using your "Diff" curve once I increased the Min throttle to a number that will spin enough to have decent control. I set the switch to go 2 steps past min check (1050) which was 1052, then Min throttle kicks in (1120) and it worked really well! I was only able to test in the front yard but I am thinking this will be a huge help for me when doing inverted acro. I have an MB Epic 280 that I tried this method on as well, and I think its just a bit too heavy but I'm excited to try it out on my minis. Thanks!
Using offset, I would be concerned about running off the top of the range before the stick is all the way up. Does it leave the top at 2000?
+Joshua Bardwell that's a good point....I will check that. Honestly I switched it to Diff and left it at that but I do have other models on my Taranis setup using Offset so I will take a look at that when I get home. Based on what I observed yesterday I am 95% sure it will indeed hit 2000 before the stick maxes out. I have flown for several weeks with it that way, so I can't say that it I ever noticed anything but still a good point.
Works well hey :)
hey Joshua, nice video. I was wondering if setting this up with a diff like you did will make the throttle non-linear?
+Zenman FPV If the graph in the Taranis is to be believed, then it changes only the bottom half of the throttle curve. There is a sharp angle at 50% and the curve returns to normal. I haven't noticed it at all during flight, but possibly if my hover point was further from 50% I might.
You could use a custom curve to make the throttle do whatever you like, if it matters.
This creates an uneven throttle curve, where there is less throw between minimum and mid than there is between mid and maximum. You can see this in both cleanflight and in the taranis if you exaggerate the diff to a greater value (say 40), then enable it and you will see the curve only affects throttle response below mid, where as the throttle curve between mid and full is unchanged. Basically what this does is makes the throttle more touchy down low. I wonder if it's enough to really notice it though, or if there's another way around this?
+venturation It is really an incredibly small difference, and I don't notice it all in flight. But if you really care about that, you can create a custom curve instead. I just like the ability to tweak the diff value easily rather than having to go into the curve editor.
Josh, is this still needed with the PID at min throttle option in betaflight? If your not running motor stop and your min throttle command in cleanflight makes your motors run at arm?
+PeeeJayz With PID at min throttle, the I term is still reset when the throttle is below min_check. Betaflight has added the ability to extend the time period before the I term is reset. But I just prefer this method, which prevents the I term from resetting at all. Just make sure to take off shortly after arming, before the I term starts to wind up on the ground.
Makes sence, I wasn't sure if that feature removes the need for this new. I will create a custom mix tongiht and add it to my arm switch :) Should resolve the problems I have when getting inverted ;)
+PeeeJayz how are you flying now? with a modified taranis? could you compare it to the "normal" cleanflight/betaflight settings?
Should the motors spin at all with zero input (mine do not BUT I have seen videos where when armed the motors spin until the kill switch is flipped.) If so do we bump the "D11" up until the motors just start to spin? Thanks.
Your videos go into more then just the basics and I can not wait until I progress enough to dive into the good stuff. Keep it up.
Exactly. Raise D11 until the motors just start to spin when the throttle is at zero. This is the point of idle up. But if you are using a recent version of Betaflight, then I recommend using "air mode" instead. Air mode is superior to idle up.
th-cam.com/video/d2nRrVENEYM/w-d-xo.html
+Joshua Bardwell thanks for the response and additional info!
One more question answer both the tiny switches on the back of my r9m are off is that the proper configuration? I have the radio set to external module r9m FCC and then s bus pops up as far as I know it's not on PPM
The switches are only needed if you are using the module in a non-Frsky radio. For FrSky radio, ignore the switches and set power in the software.
Matty Stuntz Your a legend
joshua - Great video - thanks ! QQ : I seem to have the differential curve working great in the Taranis (as per your video) with the throttle output curve being a little higher than normal when my chosen switch is activate, however I am not seeing this change appear in CleanFlight (receiver tab). Any thoughts ??
+Ankur Mathur Does your configurator GUI continue working after you arm? If you have telemetry on UART1, the GUI will get locked out when you arm. This would cause your throttle channel to appear to stay the same. But nothing else would move either.
+Joshua Bardwell - yup all values continue to show up in CF. The new curve with the low throttle point being a little higher shows up great in the Tx. Just cannot get that low point to show up in CF as per 2.45min into your video :-(
No clue. Sorry.
If I was to set this up today on bf 3.3 on a switch different from the arm switch. With airmode off arming in acro mode. What does it mean if my motors slowly start to spool up and slow increase rpm
th-cam.com/video/xBaefeQtA1c/w-d-xo.html
Joshua Bardwell I mean with props on they spoil up
Have you ever ran the kiss FC, can I do something like this with the kiss FC, I just switched over to using the kiss fc and I am having trouble with my quad just falling out of the sky when I get close to 0 throttle and I keep crashing, I am so frustrated that I have started building a new quad with a naze32... I have always been using a cc3d fc before any of these other FC's and my quad would float at zero, now with the a X style frame ( had a H style before) and Kiss FC the damn thing will flip out of control and fall when I cut the throttle. (uncontrolled flip)
yeah get airmode enabled or do the idle up, its definitely necessary
i m confused Joshua, you have to do all of this configuration, to keep the controls of your sticks when the copter is not flying ? or this is actually helps to keep the full control on the quadmotors idleling at a lower rpm ?
It is to keep full control of the quadcopter at zero throttle in the air.
Thanks for your answer, i thought we could already do that, in the basic configuration using air mode, and i didn t ask my question properly, so is it to reduce the rpm even more ? or to use a different mode ?
throttle zero, you mean actualy stop the motors ?
How do you find this compared to air mode?
JB, trying to go to idle-up instead of airmode to prevent the bouncy landings. Removed "air-mode" from MODES. Setup Taranis with SF(up)-ARM and SB(up)-IDLE@1071. Have the DIFF setup at 14 to get 1071 (need 1065 for all motors to come online smooth). Everything looks great in RECEIVER tab in Betaflight 3. When I arm, motors spin at min throttle. Dammit! Ok... enabled motor stop. Now motors don't spin if armed or even if throttle is at 1071(IDLE-UP). Dammit! Set min throttle to 1000. ARM+IDLEUP = nothing. Dammit! What am I missing here?
With motor_stop enabled, motors should spin at min_throttle whenever the throttle channel is above min_check. If the copter is armed and the motors are not spinning one of those conditions isn't true.
So for IDLE UP to work I would need: motor_stop enabled, min_throttle to 1071 (in my case), min_check to 1070, and my Taranis should register in RECEIVER tab as 1071 w/ IDLE-UP? Disarm motor timer ok at 5 seconds?
That worked. Sort of. It does something funky when I throttle down where some of the motors may stay spooled up and don't drop to min-throttle (in rate mode). Tried reverting to airmode and noticed it does the same thing - not sure what's going on but not sure that I trust it.
Ive seen a few people mention they do it that way.
My esc,s are callibrated to 1060 and I set my min throttle to 1120. That way when it arms the props spin and cant go below that.
Is there a reason your way is better, Im interested in your thoughts
+Noel Harris This is separate from min_throttle. If you have feature MOTOR_STOP disabled, then your motors will spin at min_throttle when the throttle is at zero. But the PID loop will not be running, so the motors will just idle and the copter will tumble. If you set pid_at_min_throttle=1 and if you disable feature MOTOR_STOP, then the PID loop will still run at zero throttle, and the copter will still be stabilized and respond to stick inputs at zero throttle. This is the default setting for Cleanflight 1.9. Here is the problem: when the throttle is at zero, the I term in the PID loop is regularly zeroed out. This is to keep the motors from spinning up when the copter is at zero throttle on the ground. But if you are in flight, it means that the copter will not be as stabilized as it could be. So this method prevents the throttle from ever going to zero, which prevents the I term from being reset, which makes the copter more stable if you do zero throttle descents. The down-side of this is that if you arm while you are on the ground, and then don't take off within five or ten seconds, the motors will begin to spin up in an attempt to correct against vibrations that are not really happening because the copter is on the ground.
+Joshua Bardwell I think I understand. So your saying that if Ive got motor-stop disabled, pid-at-min-throttle=1 , even though I have my min throttle set to 1120 it will still destabilise if I drop the throttle to zero? I never really drop it to zero while flying but Ill try next time and see what it does.
Thanks for explaining it.
+Noel Harris Some people have noticed that it destabilizes a bit. Others have said it's no big deal. The I term is really important for maintaining longer-term stability e.g. in rapid descents. Check this out to see what it's like descending with the "idle up" switch.
th-cam.com/video/CXRP5oX1oqY/w-d-xo.html
+Joshua Bardwell I have actually noticed the destabilization when I drop my throttle to 0 with airmode enabled in CF, the front of the copter will usually tilt back a bit.
air mode should really make that better, not worse. Or at least the same. I would raise pitch I gain in your situation.
Judging by the date on this video, I imagine that this is redundant with airmode enabled and running betaflight?
Correct.
Thanks!
Joshua Bardwell could you add a word about that in the description ? A few of your videos redirect here and it would.be nice for that information to be more visible. I had to trust my instinct and confirm in the comments that this was redundant with airmode. Thanks!
Joshua Bardwell could you add a word about that in the description ? A few of your videos redirect here and it would.be nice for that information to be more visible. I had to trust my instinct and confirm in the comments that this was redundant with airmode. Thanks!
What I don't get is that if you crash, and have this setup, you'd have to disarm as soon as it happens. On Steele's las video (Brown something) he crashes and doesn't touch any button, switch, lever, nothing. He just lets it be! What's going on there?
F8H yes he does, he flips SB up, as sone as he lost control... ;-)
So what is the real difference between this and airmode (performance wise?)
+Alex th-cam.com/video/d2nRrVENEYM/w-d-xo.html
Sir I have a problem I hope you can help I have a r 9 M TX module, r9mm RX and R9 mini RX all three flash with the latest firmware taranis qx7 on 2 2 2 everything else is flashed with regular firmware not Flex and everything I tried the module won't bind it to either RX any ideas everything is FCC and I try all the Telemetry options Telemetry on Telemetry off 8 channel 16 channel I'm going to try the flex firmware on everything if you think it pays?
If everything is on FCC firmware and everything is on the same firmware version, then it really should bind. I can't think of a reason why it wouldn't. I guess I would try Flex firmware and cross fingers.
sir , i have build my quadcopter with sp racing f3 and x4r-sb , it is perfectly working when connecting to betaflight but not working with my taranis qx7 , it is connected (giving green led and also show response in betaflight for receiver) don't know what to do , please help me out , waiting for your reply .
Do the channels move in the Receiver Tab when you move the sticks on the transmitter?
If no, then you need to configure receiver type correctly, configure UART in the Ports tab, check wiring, and so forth.
If yes, then please describe more what the problem is.
Joshua Bardwell , yes it is moving in betaflight and it is also connect but with taranis when i move the stick, sometimes motor's make sound as if it is just starting and sometimes it goes to off mode and then i have to restart the copter and most of the time it doesn't give any response, every thing is proper it's just motor's are not spinning on the throttle.
do I need idle up? I have airmode, same thing ?
airmode is OK , old video not really up to date
This doesn't seem work at all on a Taranis Plus. No matter how high I set the Diff, I still have to raise the actual throttle stick up a few clicks to engage the motors. They don't just run at low speed on their own. I wonder what I missed.
+TeamPreach With the stick at the bottom, does the throttle channel in the Taranis channel monitor bump upwards when you flip the switch? If no, that is your problem, but I can't really delve into troubleshooting why... it's too open-ended.
+Joshua Bardwell No. That's exactly the issue. No matter what I do to the curve, the little crosshair on the curve doesn't move up the curve unless I move the throttle stick up a few clicks. I put the diff all the way up to 30 and it still sat and waited for me to push up the throttle stick. The cleanflight throttle channel shows no movement when I hit the switch. I'm trying to figure out what else you did that I missed. Thanks for replying so fast.
Is the input line bold (active) in the inputs screen when the stick is all the way down?
+Joshua Bardwell On mine, the 100 changes from bold to regular when I hit the switch I assigned. The graph on the right that shows the throttle position stays at -100 regardless of where the switch is.
+Joshua Bardwell I think what I'm trying to accomplish is to get that graph to show the throttle at -85 or so when I hit my idle up switch, right?
Thank you!
Not answer. sir I don't type I talk to my phone and it gets stupid sometimes
Thank you sir if the flex firmware doesn't work I'm throwing this brand new module and receivers in the garbage and end up buying TBS and do everything I can to make sure everyone knows frsky is junk
I know this is at very old video to ask.. But i want to do what le drib did with his flight mode ( th-cam.com/video/-oUFIwSRMtM/w-d-xo.html ). I set airmode on a switch, lower my idle percent, and have idle up switch (adding diff to my throttle) on a switch like you did in this video to get enough control while cutting throttle and not having desync issue because of very low idle percent. Everything works, but why after i switch airmode and idle up on, the motors keeps increasing its speed? Sometimes only on one motor, but somtimes all did. And it also happened with props on. Thats why i scared to fly with this setup, because im afraid i have to force disarm my quad from the sky.
It's normal for motors to speed up a little when in air mode, on the ground. It doesn't happen when you're flying. And if you have a problem of course you can always switch it off
Joshua Bardwell so the motors speed up will not happen when flying right.. Another question is it safe to use pid_on_min_throttle off? Like in this vid th-cam.com/video/jYhmNwDT-qI/w-d-xo.html because this is more likely which i prefer because i can totally remove 'gyro pid' action when i dont want.
shh this is a secret haha , i do much the same but use a curve not diff and use delay up 2 seconds to trick it into arming
+Rotceh Just couldn't bring myself to use a curve when diff did it so easily. And diff appears to move just the bottom of the scale too. Everything above halfway stays the same.
+Joshua Bardwell i see you found out why i use a delay :) was woundering why you didnt have todo that but figured i was on newer code