C/C++/Rust/Arduino - Powering embedded projects based on Arduino, AVR, RP2040, ESP8266, ESP32, STM32, MicroBit, Raspberry Pi's, OpenMV
Can also do Mbed's, but I'm not really experienced with them.
Can use Arduino 1, Arduino 2, PlatformIO, Embedded Rust, Raw C/C++, MicroPython, Python on Raspberry PI.
Interfaces: SPI, UART, I2C, Parallel.
Experienced with OLEDs.
Version control - Git/GitHub
I can also use some other libraries from GitHub, but I might need time to learn them.