Platform forum

Need help with a design

, 01-31-2024, 04:36 PM
I have a task and I did some research on it. It is a first design for me where I am using 32 bit microcontoller.

The task is to develop a small PCB module (schematic and design) with a microcontroller STM32 and a 4G SIM module SIM7070G with a SIM card holder.

The board should be powered from a 100-240VAC 50/60Hz input. 2 interfaces are required in each board:

1- 4p 2.54mm for programming the microcontroller with STlink.

2- 4p 2.54mm for reading debug and output messages from microcontroller.

Is there anyone who can help me finding some reference designs to design point number 1 and 2 above? Thanks in advance.
ATHONOR , 01-31-2024, 08:56 PM
have you managed to find any evaluation boards?

I would suggest looking at "SWD" for 1 and "UART" for 2, should be on pretty much every ST Evaluation board.
, 02-01-2024, 04:14 AM
Thanks a lot @ATHONOR I have checked the evaluation board and found the schematics there. It was very helpful
ATHONOR , 02-01-2024, 08:41 AM
You're welcome, the hardest part is knowing where to look sometimes!
Use our interactive Discord forum to reply or ask new questions.
Discord invite
Discord forum link (after invitation)

Didn't find what you were looking for?