Choose your favorite way of programming your Iono RP:
The flexibility of the Python language, plus an interactive prompt (the REPL) to execute commands on the fly, optimized to run on microcontrollers.
Go to the micropython directory.
If you are familiar with the Arduino IDE or want to re-use code written for Iono Uno or Iono MKR check out this repository, which includes many examples and ready-to-use applications, like the Modbus RTU Slave app.
For low level, highly optimized programming and access to all the functionalities of the native Raspberry Pi Pico C/C++ SDK, go to the c directory.