I have several standalone atmega328 chips, each running on it's own board. I use a standard FTDI breakoutboard to upload code to these chips. I have to do batch uploads so I hook up board A, upload the code, disconnect the TX/RX/RST/GND connector from standalone board A, plug it into board B, and up…

FTDI upload to standalone: COM in use when switching standalone boards

Topic		Replies	Views
Arduino FTDI upload works only once, then locks up Troubleshooting	4	1969	May 6, 2021
confusion at com ports, using FTDI, why? Frequently-Asked Questions	15	7573	May 6, 2021
Serial comms work but programming via FTDI doesn't Interfacing	3	1063	May 6, 2021
[SOLVED] Sparkfun FT232RL board driver issues 3rd Party Boards	13	4734	May 6, 2021
FTDI breakout kills ATmega Development	5	3665	May 6, 2021