Hi,
I have built a custom board (image attached).
I need to upload the bootloader to the board, I only have the ICSP connection pins right now. Can I follow these instructions ( https://support.arduino.cc/hc/en-us/articles/4841602539164-Burn-the-bootloader-on-UNO-Mega-and-classic-Nano-using-another-Arduino ) to install the bootloader by ONLY connecting the 6 ICSP connections on each board?
Was planning MEGA => custom board.
Thank you for your time!
this is main purpose of ICSP. of course you can.
Awesome! Thank you.
My concern was that on the tutorial they are using pin 10 on the uno and wasn't sure if I had to have access to pin 10 or if I could just go straight from ICSP => ICSP.
pin10 generates RESET signal for the target
That is my confusion, sorry for being dense, but that means it will be fine without or do I need to create a header for pin 10?
You only need the ICSP pins on the "target" board.
On the "programmer" board, you need 5 pins from the ICSP connector and one additional programmable pin to connect to RESET on the target (which is part of the ICSP connector, but isn't programmable on the programmer side.)
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