STM32 Arduino 2.4GHz & IR Test Transmitter Build Tutorial

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The Arduino 2.4GHz and Infrared „Micro RC“ transmitter is now also available in a version for STM32 ARM MCU’s! You can download it on my GitHub.
So in this episode, I will show you how to build a prototype circuit around the STM32 „Blue Pill“ module. It is not pretty, but allows to do a full function test:
- Infrared amplifier module with indicator and IR transmitter LED
- Mainboard for STM32 module, switches, OLED and LED
- Wooden housing to hold everything together
- The NRF24L01+ radio module is plugged into a YL-105 3.3V voltage regulator board

Features:
- IR transmitter for "LEGO" Powerfunctions and trains as well as for "MECCANO" motors
- 2.4GHz radio transmitter for RC cars, helicopters etc.
- 4 analog axes, 2 mode switches (joystick buttons)
- 1 potentiometer for adjustments like the MRSC stability control
- 4 push buttons for transmission mode and vehicle selection as well as menu navigation
- 10 seletcable vehicle addresses, so you can use it for more than one vehicle
- 3.3V, 72MHz STM32F103C8T6 ARM board
- 2.4GHz NRF24L01 radio module
- Support for 0.96" I2C OLED.
- Configuration menu for: Channel direction reversing, servo travel adjustment (independent for each vehicle)
- Configuration values are stored in EEPROM
- NRF24L01+PA+LNA SMA radio modules with power amplifier are supported from board version 1.1
- very compact
- Eagle schematic will follow
- PONG game included (runs much faster than on the Atmel AVR version)
- Fully compatible with the Atmel AVR version

Downloads:

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It was a lot of work, but finally here it is: The "Micro RC" transmitter STM32 prototype build tutorial! I hope you like it.

TheDIYGuy

WOW! Junior is amazing! Awesome father and son, great team.

lipinghe

hey, I really like the work you done on these little coke can cars!

A.C.Lawrence

Rebuilding a cheap grip style transmitter to Arduino with your code modified. Though I am unsure if your receiver code is compatible with the STM32F103C8 MCU, have 2 of these chips for the transmitter and receiver. (Dabbling a bit with PlatformIO on VSC)

shawns

Can you make a tutorial of NRF24L01 using stm32? with RF24 Library?

josearmandoyanezparra

Sir can you please increase the number of pins or channels and kindly make a video on making of transmitter and receiver for the rc plane

debashishdas

I was building a STM32 prototype transmitter and was facing "no matching function for call to 'statusLED :: begin (<anonymous enum>)" then what is the solution plz help.

PROTON

Nice project, will build one. Where did you buy the joysticks on the remote control ? Do you have the company/part number ?

mannhansen

Nice Job but i have problem with (LED setup) every time i try to upload the code it give me that error ---- (no matching function for call to 'statusLED::begin(<anonymous enum>)'

SuperFirewords

lovely your works, its too fast & furious ....hahhaa ... great job... salute..

rudirudi-onfr

Looking great! Still watching the video - just wondering where you sourced the joy sticks from?

cicerobc

nice the stm32 i also used in the multiprotocol tx module
can your radio also control a micro quad like the eachine E010?
great project and hobbygrade gimbals is a big improvement Gjb :D

HowToDIYRc

very nice project. Stumbled upon it while searching for DIY open tx based on stm32f1.

Can you help us build a 10-12 channel transmitter based on OpenTx and Stm32?

using Atmega 2560 does ot.make sense now as it is very big and slow as compared to Stm32 ....with a better ADC.

please help

anirudhkundu