02-16-2023, 03:16 AM
1. you need to confirm your sensor's serial level. is that RS232 12v level? or 5V TTL level?
2. if level no problem, just let your sensor's RXD,TXD connect to ESP32's any pins. because you will set the RXD and TXD pins in your software code, such as arduino IDE.
2. if level no problem, just let your sensor's RXD,TXD connect to ESP32's any pins. because you will set the RXD and TXD pins in your software code, such as arduino IDE.