https://www.microcontroller-project.com/rs485-communication-between-arduino-mega-and-arduino-pro-mini.html
==== What’s my root password? ==== https://www.digitalocean.com/community/questions/what-is-my-root-password ==== DO Agent for monitoring ==== [[https://www.digitalocean.com/community/tutorials/how-to-install-and-use-the-digitalocean-agent-for-monitoring|about]] === Ubuntu / Debian === curl -sSL https://agent.digitalocean.com/install.sh […]