Connecting Two Microcontrollers Via Serial RS232

Projects Networking, Protocols, and Devices
8

OK, problem solved. I don't know what I did different this time around to make it work but here is what I changed

  1. I have an Arduino Uno and an Arduino Mega 2560. The Mega seems to be working now (I see streaming data on the serial port)
  2. I connected both grounds on the FLO-30 controller

Mega with Flo-30.jpg
Mega with Flo-30.jpg3264×1836 1.54 MB

EZ_com_mega.zip (1.19 KB)