Only three words: Really perfect presentation. Thank you verry much. (No music, no stress, good graphics, and good to understand even with no English as muther tongue.) Many Prof could learn from you.
If a fully 'off' log control is needed, the linear unit can just be set to the appropriate log value by calculation or table lookup for the eight or more values of volume desired, rather than adding op-amps. Nice video that I can watch at high speed; always welcome
Allen Bradley used to produce high quality potentiometers and trimmers. Using either molded carbon composition or cermet (fired carbon based ceramic). Most had a linear profile (turning angle proportional to resistance), but there were also logarithmic profiles. In the 60's at the request of one of AB's customer we experimented with a digital pot. Consisting of 2 photocell touch sensors (up & down), a clock, decade counter & D/A converter. A 7 segment LED for readout completed the module. This was the early 70's. Nothing commercially came of this, but just goes to show you that nothing is new.
One application of digipots I can think of is digitally controillable lighting for camera/video that doesn't use pwm. PWM can cause issues if the image exposure time is a comparable scale, but the digipot allows a true analogue output so avoids this issue. What other digipot applications can people think of?
Thanks, Bill. I just ordered some DS3502 for some motor control ideas I have mind. Basically using an random motor controller that expects a turnpot speed input, using its own voltage, and making it microcontroller controlled instead. (wheel chair controllers, scooter controllers, etc...)
Perfect timing! I jave a project where I will control 2 high current motor controllers and want to do rc for that. I bought a cpl ofbthese online but haven't done anything yet. Now I can!
Never heard of Digital pot so learnt yet again something new going to try Arduino be interesting with only experiencing Raspberry Pi and Pico to date. Thanks as always for great inspiring content
Hey Bill, great video. Very informative, always looking forward to the next one. I have been using the Adafruit DS3502 and the jumper on the reverse side connects the V+ terminal to the RH terminal. The RH high voltage becomes the bias voltage for the chip. To use it in high voltage mode the jumper has to be left intact so the RH voltage is connected to V+
Thanks for the video! in the experiment of powersupply control, we may skip the AC and directly used DC for simplicity. and if we replace 1k with motor load like around 2.5A rated, the DS3502 also need to support the grounding current right? Please correct me if im wrong. Im trying to measure LVDT displacement but its a AC supplied and sinal conditioned to read. now im thinking, by using this digipot, we can generate AC wave and condition it right? if for conditioning, how can we do it? can you please suggest?
I once thought about using a digital potentiometer for DIY power supply, but after calculating the prices for high-resolution potentiometers, I decided to buy a ready-made power supply, where digital control is implemented through an op-amps and a bunch of resistors. By the way, you didn't say anything about the possibility of serially connecting several potentiometers in one case to increase the system resolution.
The other way would have been to use a DAC and an operational transconductance amplifier such as LM13700 for the voltage multiplication, but I imagine the digipots are easier to use...
watched many of you video's and soon I will have watched them all. I have a request and that is when you have time if you can do a video on how to control stepper motors with an rc controller and receiver.
Nice video. I must state though that if you claim a SPi chip to have 4 pins interface the I2C must be a 2 pin interface, since both need a VCC and GND connection
Please make a hexapod robot use with Arduino that is controlled by a pwm 4ch remote control. and Thanks for sharing digital potentiometer related vdo,,, 👌👌👌
Please make a hexapod robot use with Arduino ,servos that is controlled by a flysky pwm (not sbus) remote control. and Thanks for sharing digital potentiometer related vdo,,, 👌👌👌
ça dépend de la finesse avec laquelle on veut controler la tension. ça peut très bien se faire avec des composants discrets mais comme n'importe quel DAC ça devient rapidement encombrant. c'est juste de la miniaturisation. on en trouve dans quasi tous les appareils électroniques depuis l'apparition des commandes numériques.
Forgive me for saying, but during the discussion of wiring, you say "MCP4231" over and over. Tooo late for this video, obviously, but in a similar situation you might consider alternatives, especially sort ones: "digipot", "pot", "chip", "ic". I've been thinking about using digipots for audio synthesizer circuits, so goot to see a discussion of them.
Great video! I just wanted to apologize for kicking open your bathroom stall door at the Tim Hortons. If I knew you were on the digi-pot I would have waited until after but I just wanted to lay that bro hug on you.
I'm going to stick with the old kind. If it's got more than 3 terminals and no physical knob to turn then I'm out. Digital circuits and programming is like black magic to me I don't understand it at all. Analog circuits though, I can identify every part of the circuit and even design my own.
Well, I guess there's no reason to watch this video, because, (like always), you are using Adafruit, or Raspberry, or other packages, that I don't have several sitting around.
And, why is it difficult to get such an easy and cheap purchase of these items from the internet?? Either way, you're getting FREE lessons on how this technology works from a knowledgeable individual as well.
I just dropped fifty bucks at Adafruit BECAUSE of this video, but for projects that have been kicking around in my head for years... Why do you blame Bill for you not having basic components, microcontrollers and modules in your parts drawers?
ANALOGUE Computers Are SLOWER, than Digital. Digital = Faster & Higher Frequency. Analogue = Cheaper (Less Parts) & Slower. Analogue is Not MHz and GHz FAST.
@@harryjohnson615 You're a LOW Intelligence P1G. If You Had Higher Intelligence, You'd Understand That There are Beings with MORE Intelligence Than Your Self. How Have The Minions Edited Your Species DNA. You've all Got 1 Kidney and Blind Blue Vision, so Yellow Minions look WHITE to You.
![[#2024MAMA] BIGBANG (빅뱅) - 뱅뱅뱅 (BANG BANG BANG) + FANTASTIC BABY | Mnet 241123 방송](http://i.ytimg.com/vi/EQsYfiPR9uM/mqdefault.jpg)
DBWS has probably the best explanations of how electronics work. Always easy to understand.
Very thorough and methodical. He is a Master. 👍🙏
can't agree more than this. He is very cautious in teaching even the laymen like me. He seems wise, experienced, and detailed teacher.
Only three words: Really perfect presentation. Thank you verry much. (No music, no stress, good graphics, and good to understand even with no English as muther tongue.)
Many Prof could learn from you.
If a fully 'off' log control is needed, the linear unit can just be set to the appropriate log value by calculation or table lookup for the eight or more values of volume desired, rather than adding op-amps. Nice video that I can watch at high speed; always welcome
I've watched your informative videos for years and you've gained my respect. Thank you and God bless you, Sir.
I like your explanation of things.
Your videos are awesome, informative and useful! Thanks!
very nice job explaining digital pots. thanks
Thanks!
Thank you as well!
Allen Bradley used to produce high quality potentiometers and trimmers. Using either molded carbon composition or cermet (fired carbon based ceramic). Most had a linear profile (turning angle proportional to resistance), but there were also logarithmic profiles. In the 60's at the request of one of AB's customer we experimented with a digital pot. Consisting of 2 photocell touch sensors (up & down), a clock, decade counter & D/A converter. A 7 segment LED for readout completed the module. This was the early 70's. Nothing commercially came of this, but just goes to show you that nothing is new.
You're not 100% right ! That was new in the 60's. I made VCAs in the ending 70's with LDRs and bulbs, then with Leds.
Again a well-grounded video. Thanks a lot. 👍👍
One application of digipots I can think of is digitally controillable lighting for camera/video that doesn't use pwm. PWM can cause issues if the image exposure time is a comparable scale, but the digipot allows a true analogue output so avoids this issue.
What other digipot applications can people think of?
Everytime you come up with something new and with pratical applications
Seems so cool, Thanks Bill!
Thanks, Bill. I just ordered some DS3502 for some motor control ideas I have mind. Basically using an random motor controller that expects a turnpot speed input, using its own voltage, and making it microcontroller controlled instead. (wheel chair controllers, scooter controllers, etc...)
Perfect timing! I jave a project where I will control 2 high current motor controllers and want to do rc for that. I bought a cpl ofbthese online but haven't done anything yet. Now I can!
Great video, thanks for sharing!
Thanks Bill, great useful information. By the way, hope you're doing well.
Great info thanks. I've been thinking about using digipots and this is very helpful.
Never heard of Digital pot so learnt yet again something new going to try Arduino be interesting with only experiencing Raspberry Pi and Pico to date. Thanks as always for great inspiring content
Thanks! Another inspiring video!
Thank you, I am glad you liked it!
The presentation quality is excellent. I wish I knew how to create video presentations like this!
Hey Bill, great video. Very informative, always looking forward to the next one. I have been using the Adafruit DS3502 and the jumper on the reverse side connects the V+ terminal to the RH terminal. The RH high voltage becomes the bias voltage for the chip. To use it in high voltage mode the jumper has to be left intact so the RH voltage is connected to V+
Great video again, I never knew how to use digipots, thanks!
Very good video, explained very well
Nice little device. Not sure if I have a use for one right now, but I feel compelled to pick a few up just in case 🙂
43:19 I think that is the cathode side, not the anode side of the zener.
Thanks for the video!
in the experiment of powersupply control, we may skip the AC and directly used DC for simplicity.
and if we replace 1k with motor load like around 2.5A rated, the DS3502 also need to support the grounding current right?
Please correct me if im wrong.
Im trying to measure LVDT displacement but its a AC supplied and sinal conditioned to read.
now im thinking, by using this digipot, we can generate AC wave and condition it right?
if for conditioning, how can we do it? can you please suggest?
Ijboc at “resistance is futile”. C stands for chuckling. It was just a little funny.
Excellent delivery :-)
I once thought about using a digital potentiometer for DIY power supply, but after calculating the prices for high-resolution potentiometers, I decided to buy a ready-made power supply, where digital control is implemented through an op-amps and a bunch of resistors.
By the way, you didn't say anything about the possibility of serially connecting several potentiometers in one case to increase the system resolution.
An interesting and useful video!
Any chance to make a video for arduino communication via the max 485 chip?
ขอบคุณมากครับกับสารสะดีๆ❤❤❤
Hey Bill how's you doing? Any chance of a video with your excellent explanation on the Preferences library for esp32?
The other way would have been to use a DAC and an operational transconductance amplifier such as LM13700 for the voltage multiplication, but I imagine the digipots are easier to use...
great show.
watched many of you video's and soon I will have watched them all.
I have a request and that is when you have time if you can do a video on how to control stepper motors with an rc controller and receiver.
"pots" That expression dates you 😂
Please make video on Quectel EC200u and Realtek amb82 m8ni IoT camera module. They both are very powerful modules.
I have been waiting for this video for years
Nice video. I must state though that if you claim a SPi chip to have 4 pins interface the I2C must be a 2 pin interface, since both need a VCC and GND connection
vcc and gnd are omitted in a transmission line signal counting
@@PainterVieraxmy point exactly
@@clausqp I don't really understand : did he said both protocols are 4 wires?
@@PainterVieraxYes he did
Another great video!
Please make a hexapod robot use with Arduino that is controlled by a pwm 4ch remote control. and Thanks for sharing digital potentiometer related vdo,,, 👌👌👌
Please do a video on controlling a dc/dc converter using a DAC like MCP4725.
tnx.
Please make a hexapod robot use with Arduino ,servos that is controlled by a flysky pwm (not sbus) remote control. and Thanks for sharing digital potentiometer related vdo,,, 👌👌👌
129 values allows a middle position or exact center
Bonjour, J'apprécie votre travail vraiment didactique. Mais, là, une usine à gaz pour remplacer un simple potar... CHRIS 78 Vélizy Yvelines FRANCE
ça dépend de la finesse avec laquelle on veut controler la tension. ça peut très bien se faire avec des composants discrets mais comme n'importe quel DAC ça devient rapidement encombrant. c'est juste de la miniaturisation. on en trouve dans quasi tous les appareils électroniques depuis l'apparition des commandes numériques.
Great
nice
Forgive me for saying, but during the discussion of wiring, you say "MCP4231" over and over. Tooo late for this video, obviously, but in a similar situation you might consider alternatives, especially sort ones: "digipot", "pot", "chip", "ic". I've been thinking about using digipots for audio synthesizer circuits, so goot to see a discussion of them.
Error at 10:44, you show terminal A twice for pot zero.
Seems more complicated than using a mosfet.
Great video! I just wanted to apologize for kicking open your bathroom stall door at the Tim Hortons. If I knew you were on the digi-pot I would have waited until after but I just wanted to lay that bro hug on you.
👍
Oh a dimmer
😮😮😮😮
I'm going to stick with the old kind. If it's got more than 3 terminals and no physical knob to turn then I'm out. Digital circuits and programming is like black magic to me I don't understand it at all. Analog circuits though, I can identify every part of the circuit and even design my own.
first
Well, I guess there's no reason to watch this video, because, (like always), you are using Adafruit, or Raspberry, or other packages, that I don't have several sitting around.
And, why is it difficult to get such an easy and cheap purchase of these items from the internet?? Either way, you're getting FREE lessons on how this technology works from a knowledgeable individual as well.
imagine needing to have all the components on hand BEFORE being able to understand and learn. What a backwards world!
You can't learn from this format ? you will get nowhere ! he gives you the bloody pinouts for goodness sake. Just buy the chips.
I just dropped fifty bucks at Adafruit BECAUSE of this video, but for projects that have been kicking around in my head for years... Why do you blame Bill for you not having basic components, microcontrollers and modules in your parts drawers?
@@whitneydesignlabs8738 Great question:)
1 view 23 seconds bro fell off😢😢
speak English you freak. WTF does it mean?
ANALOGUE Computers Are SLOWER, than Digital.
Digital = Faster & Higher Frequency.
Analogue = Cheaper (Less Parts) & Slower. Analogue is Not MHz and GHz FAST.
Of course all DIGITAL electronics are in fact ANALOGUE
@@harryjohnson615 You're a LOW Intelligence P1G. If You Had Higher Intelligence, You'd Understand That There are Beings with MORE Intelligence Than Your Self. How Have The Minions Edited Your Species DNA. You've all Got 1 Kidney and Blind Blue Vision, so Yellow Minions look WHITE to You.