A smart switch device with Wi-Fi and RF 433. It uses a T34, but the pins are not visible. I managed to figure out the 3.3 V, GND, TX, RX pins, but I still need to figure out where the CEN is connected to boot the flash chip. Has anyone managed to flash this device where the T34 pads are not visible? I've attached some images to help you understand better.
AI: Have you already tried tracing the PCB or using a multimeter to locate the CEN pin, or checked the T34 datasheet for possible pinouts? If so, what did you find?
I have already tried to use the multimeter and by using it I was able to find the 3.3 V, GND, TX and RX pins, but I can't find the CEN pin
AI: Have you already tried tracing the PCB or using a multimeter to locate the CEN pin, or checked the T34 datasheet for possible pinouts? If so, what did you find?
I have already tried to use the multimeter and by using it I was able to find the 3.3 V, GND, TX and RX pins, but I can't find the CEN pin