Edit: DTR actually wasn't being set low like it's supposed to be when the connection is closed. I fixed it by setting the baud rate to 0 (this also causes DTR to go low) on the connection before closing it. I'm working on a robot for a competition, we have an Arduino Mega 1280 connected to a small …

Arduino Mega not resetting via serial [solved]

system September 28, 2012, 2:44am 3

It should however it seems not to be reliably doing it.

Topic		Replies	Views
How to disable reset after serial connection on Arduino Mega 2560 Networking, Protocols, and Devices	3	3593	May 6, 2021
Soft reset on arduino through starting serial comm Troubleshooting	14	38470	May 6, 2021
Arduino Mega serial only works with Serial monitor Troubleshooting	6	4157	May 6, 2021
Serial in python: how to avoid reset on opening Interfacing	5	7302	May 6, 2021
DisablingAutoResetOnSerialConnection - Different serial ports on Mega? Interfacing w/ Software on the Computer	2	1725	May 6, 2021