Hi everyone,
I’m working on a Dahua NVR5232-EI board and I’m trying to recover it via TTL (UART).
I need help with:
Identifying the correct TTL pins (GND, TX, RX, VCC) on this board
Confirming the correct voltage level (3.3V or 1.8V)
Steps to flash full firmware via UART / bootloader
I have...