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I think the alan already has multiple bands.

@ it has only the D band, they sell some boards to expand the bands and if I remember correctly there are 2 quartz on these boards so I think it just subtracts or add an entire band

@@blnkfce9664 You can easily modify the code to add any band.

Thank you very much and welcome!

Thank you, that is a very good point. I have a bad habit of always calling similar interlocks "toggle" because I think of a toggle switch as you would say latching something.

Really? Do you have information about what variety it is or anything? I don't know how it could be its just a simple wix page with auto generated code. Anyway thank you for letting me know.

@@CircuitSecrets I have a screenshot if you need it. I will delete these comments when problem is solved

@@cobar5342 A screenshot would be great, I checked the site on another computer and it gave me a warning about the site being a phishing scam. I went into google transparency and checked the domain, it said no issues, I checked virustotal which said no issues. I think it is because I am using a free account on wix for hosting, so the domain connection looks funny. I wish youtube would just host my files since they are companions to the videos then I would not have to worry about a site. Anyway I guess I will spend the money to upgrade the account and if that does not fix it I guess I could host the files on a file sharing site. You can send a screenshot to circuitsecrets@yahoo.com, again thanks for the heads up.

@@CircuitSecrets I will send that now

@@cobar5342 Thank you, I got the screenshot. That is strange that AVG and Avast are both reporting and giving different alerts. I will let you know when I get it sorted, thank you again for the heads up!

Do you mean how to install or how to wire the modules? The wiring for each module is covered in the raspberry pi pico i2c for the modules, the pin out is listed in the source code sketch for each vfo and there are a few installation videos. I hope this helps. Let me know and good luck.

I think the spacing was off on my pins, or it got bent.

Thank you!

Thank you!

The code for the vfos I build is stored on circuitsecrets.com there are a few versions and I am slowly adding features and support for different processors. There are companion videos on this channel that describe the different VFO configurations I have released.

@@CircuitSecrets that’s great I will take a look Thankyou kindly that’s just what i need for my radios 😎☝️

The code won’t compile ..? What version of ide are you using to compile the sketch please I can’t find any what work … looking for a hex file if possible … I have so many problems verifying the sketch Thankyou 🎉 For your reply 73

@@cbradiohamfan The version should not matter, Arduino is really good at being backwards compatible. If it wont compile, my bet is you need to install a library. The adafruit ssd1306 library has to be added to your arduino instillation. That library supports the display. You also need to install the etherkit si5351 library to support the si5351. I just tried it on a fresh install, the sketch would not compile without those two libraries. Good luck.

Thank you, yes that sounds like a great radio for a vfo. You can set the limits however you want them in the code. I don't have a scope to check for harmonics, I have asked other operators to check the modified rigs for bleed, and they tell me they are clean.

@CircuitSecrets Thank you for your response! I more than likely have to desolder the Channel 1 crystal since it is hard soldered in the swtich board rather than socketed like the Cobra in the video, but this shouldn't be a problem...hopefully... Once again, a very helpful video series that has gotten me back to the sole thing responsible for getting me into ham radio...CB radio!

Awesome, let me know how it turns out!

I put the full code on my website circuitsecrets.com. There are a ton of source code and a few schematics and other files available there. There is no signup and the files are all free.

All of the code for the VFO is on the circuit secrets website. circuitsecrets.com

I think its more the build tools that need all the excess information.

@@CircuitSecrets thanks I finaly got picoW working after about 4 hours pico_cyw43_arch_none was missing from the links

DDS in this context stands for Direct Digital Synthesis. The SI5351 is a digital clock generator it directly synthesizes a signal based on a digital input signal which comes from the Arduino. So with all of those considerations, this design is simply a Direct Digital Synthesis VFO

@@CircuitSecrets No, DDS is specifically a technique where a stored sample of a sine wave is clocked out of memory at varying rates to produce "directly" a sine wave at the desired frequency. Skyworks do not refer to their Si5351 as DDS, because it isnt. The Analogue Devices AD9850 IS a DDS synth and VFOs based on it can be called DDS. Do some research, dont repeat TH-cam misinfo. Thank you.

@@bazzaar1869 I just looked up the definition and utilization of DDS and you are correct. This is not DDS it could be said to be a PLL VFO but not a DDS, so thank you, I stand corrected.

@bazaar1869 is 100% correct, those two terms have been separate and distinct in technical communities FOR DECADES... Welcome to Alice in Wonderland... "When I use a word,’ Humpty Dumpty said in rather a scornful tone, ‘it means just what I choose it to mean - neither more nor less.’ ’The question is,’ said Alice, ‘whether you can make words mean so many different things.’ ’The question is,’ said Humpty Dumpty, ‘which is to be master - that’s all." ~ Lewis Carroll

Types? Do you mean data types? Do you mean variations of freeRTOS?

Yeah, the main connection would be to the 37.600 crystal position. The offset would be set to 10.635. Operation would be on channel 1. Double check all that with a dummy load, and frequency counter.

@@CircuitSecrets thank you very very much , I will try to measure , but did not have a lot time , Other projects keeping me busy 🙏🏻

I am looking to revamp a lot of the projects this fall. Wifi and browser or bluetooth is what I was thinking for this one. Just to make it nice to manually remote control.

Did you bypass the transmit lock? If everything else is working, and the radio was transmitting before, that is where I would look.

Yes I did, the tx circuit works reducing the 5v to 2v going to D13 arduino right

@@GusNava I think you are confusing the tx lockout feature on the pll with the tx rx switching on the vfo.

I would use a visual studio app for a gcode sender and control unit for the cnc. You can send code with that through the serial port and synchronize operations of the GRBL board. Motor control boards need to track both the input step and direction, and feedback from the encoder to adjust motor position. I hope this helps, good luck!

@@CircuitSecrets Gracias por Contestar,excuseme que parece que no me explique bien,con respecto a su proyecto , me gustaria ver la forma de leer las Señales Step y Dir en el arduino pero sin Utilizar Interrupciones Externas como estas ISR(PCINT1_vect) //read the data from port C the first two bits, ignore all others grblStepData=PINC & 0b00000011; sino hacerla de otra forma si la hay, con respecto a mi proyecto yo logre controlar los motores de mi CNC en Visual Basic enviandos los comabdos via serial y el arduino lo recibia y lo comparaba con la lectura de los encoder para ejecutar los movimientos ,en mis videos podra ver mi trabajo y si le intereza puede descargar los archivos que estan disponible, gracias por todo

Those are excellent questions and point out the issues of accessing hardware with an auto pairing method at runtime instead of keeping a master list somewhere. Ideally I imagine a mode that new hardware goes into on first run. It can pass its info into a central DB of some design, and all of the info would be together with the name of the device, its port number and everything else. Set a manual flag to initialize one port with the full device info.

Thank you so much!

Thank you!

The connections to the hbridge should be the common ground of the grbl board to the digital ground of the Hbridge. The power supply of the grbl board to the digital power of the hbridge. The other two, the 2 digital control pins should be listed in the source code. The analog power in side of the Hbridge takes the ground and power from the motor supply. The output pins of the Hbridge takes the wires to the motor. There are 4 wires on the input side of the hbridge which are the 2 logic or control wires, the ground and the power supply of grbl board. The output side of the Hbridge is 4 wires, power, ground, and the two motor connections. The pinout is different for each Hbridge, so refer to the data sheet and the source code for the motor controller for more details.

@@CircuitSecrets Thank you very much 👍

There are too many wires to diagnose from a picture.The easiest way to troubleshoot the system is to work from the hbridge backwards. If the hbridge, motor and nano motor controller are working properly when you turn the motor the hbridge should activate and attempt to return the motor to its original place. You can use an led on the motor controller to test the encoder setup. If memory serves the led pin is listed in the sketch for the motor controller sketch. Make sure the digital grounds are all connected and the analog ground for the motor drive to the hbridge is separate from the digital grounds to prevent noise.

​@@CircuitSecretsHello, I was once again forced to send to your country to buy the same module that you used in the video, I would like you to tell me what the pins are connected to (R Is and L Is) 😅

​​@@CircuitSecretsI also need to know where you connect the pins (enable A and enable B), since in the video only the pwm lines come out of the Arduino nano, And the value of the resistances that the infrared receivers and the emitter have

@@TorneroRDLpwm and Rpwm take the pwm output from the nano.

@@CircuitSecrets I think I did it 😅

All of the digital grounds should be together, the analog ground to the hbridge should be separate to avoid noise from the motor on the digital grounds.

The encoder provides feedback so the steps can be measured. Traditional cnc machines use stepper motors that move in steps, a D.C. motor has no steps so the movement must be measured. With this design a D.C. motor will simply keep turning if the control board receives a step command..

@@CircuitSecrets I have been able to notice in other examples of similar codes that the signals leave a gap causing the machine to ultimately not execute the movements with exact precision. Something similar has happened to you.?

Thank you, I am glad to help.

Thank You!

The older radios with simple crystal mixing are all easy. A schematic and tech notes is all it takes to figure out, then swap a vfo with the proper offset for a crystal. Even more modern radios use mixing and you just bypass the vco and inject vfo in its place.

Each device has its own address, you can access multiple devices on each channel.

Right having the ability to shut down or change the voltage output of the smps gives a lot of options. The first 2 stages are just a normal series layout, the 3rd stage is a parallel configuration. I do se what you mean about the 1st and 2nd stage looking like a darlington stage. Thank you!

The lower half of the schematic shows the filter setup I use with the power supply module. The schematic of the module itself I do not have access to as I did not design the module. Wiring diagrams for the power supply module are available from shop-tes.com which is the site of the producer and distributor of the smps module.

I got as far as milling part of the bed flat and had to tear it down to make room for other projects. I plan on putting it together again hopefully this winter and doing more with it. Especially since my videos about DC motor control and CNC have gotten more traffic lately.

@@CircuitSecrets Your idea is good because no one knows how to explain this thing about CNCs with DC motors. If possible, I would appreciate it if you added Spanish subtitles for the logic part in your next videos, since there is not a single video in my language. within all TH-cam that explains this

@@TorneroRD I need to find a way to generate subtitles in different languages, maybe AI. If you know of a easy quick method let me know.

@@CircuitSecrets ok

@@CircuitSecrets Hello, give me some way to contact you to show you some projects, today I made a homemade driver for mach3 capable of receiving signals from the Chinese red mach3 card, this driver has the peculiarity that the power stage can be decoupled to increase according to need In the next few days I want to test your code for DC motors and encoders with mach3 and I would like to send you the results

I have never used mach3, but if it gives step pulses and direction signals that a normal stepper motor controller uses then it should work to drive a motor, encoder, and Arduino nano set running as described.

@@CircuitSecrets I have seen that they make homemade drivers to work with the Chinese mach3 cards, they use the IC l297 which I have also seen in homemade drivers for motors with grbl, and they have in common that they connect in the same way both in the mach3 interface and in the arduino that carries the grbl firmware. I imagine that they should be very similar signals, another thing is that in mach3 you can configure the number of steps per revolution and also the time in milliseconds that each pulse lasts.

@@TorneroRD Nice, yes that sounds like it would work.

Thanks for the offer!

It is the simplicity of the circuit. It makes for a good primer on how to modify the mixing circuits of radios. A simple cheap DIY approach that is meant to lower the entry point to learning and modifying radios. Anyone will feel comfortable experimenting with these methods on such a cheap radio, and if their experiment fails the education cost is still low.

I bet you think the audio off of channel 6 is impressive.

Could you please share the one-click tool? Thanks.

Nice, just use caution transformers can be very dangerous, an smps can be dangerous too, but they don't run the risk of a short to the mains power.