Arduino notes

Getting started:

• https://playground.arduino.cc/Learning/CommandLine . . . mentions PlatformIO "ecosystem" and specific Linux ready command line tools for working with Arduino

• https://www.youtube.com/watch?v=qAM2S27FWAI . . . avr-dude and related tools can program Arduino Uno boards

• https://playground.arduino.cc/OpenBSD/CLI . . . Arduino development work on OpenBSD systems

The ATMEGA328P processor used in Arduino Uno boards:

• http://www.microchip.com/wwwproducts/en/ATmega328p . . . the ATMEGA328P processor used in Arduino Uno boards

Specific Arduino projects:

• https://www.hackster.io/niesse/water-level-ultrasonic-sensor-with-lorawan-c2cf55
• https://www.arduino.cc/en/Tutorial/HelloWorld

FreeRTOS port to Arduino:

• https://github.com/feilipu/Arduino_FreeRTOS_Library