I have had a post running in LEDs and Multiplexing which describes a project involving 20 light boxes each with 12 channels of LED lighting that I control with PWM. I had a nice code running on the Uno board but because I needed extra PWM channels I upgraded to the Mega 2560. And here is my problem;…

Uno Vs Mega 2560 - Upload Performance Issues

Topic		Replies	Views
Upload Timeout Error on Mega 2560 IDE 1.x	8	8746	May 5, 2021
Can't upload to Arduino Mega 256 IDE 1.x	5	1585	May 5, 2021
Mega2560 timedout. Programming	7	1103	May 5, 2021
timeout error IDE 1.x	3	3657	May 5, 2021
Can not upload to MEGA 2560 anymore IDE 1.x	5	2081	May 5, 2021