krikk/Hiking-DDS238-2-WIFI-Din-Rail-Energy-Meter-flashing-Tasmota

6 pins connector pinout (question)

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Hi @krikk
Very nice job, I ordered some to do some testing, I got some ideas to deal with that piece of hardware.

Would you mind (if ou know) tell me on the 6 pins connector from ESP board to main board how are wired the 2 pins in the middle. I think it should be GPIO14 and GPIO16 but I would like to know (I don't have hardware yet) how it's wired.

6 pin connector is as follow (tell me if I'm wrong) :

  • Pin 1 is 3.3V
  • Pin 2 is GND
  • Pin 3 is ?
  • Pin 4 is ?
  • Pin 5 is RXD (RX Data from ESP or from main board? (I guess from ESP)
  • Pin 6 is TXD (TX Data from ESP or from main board? (I guess from ESP)

which of pin 3 and 4 are LED (inverted) or Button ? Is button is active Low or High when idle?

Thank you very much for your help

krikk commented

sorry can't answer that, i have my only unit in productiv use, so can't test this, and don't remember how the connections where exactly, this github page is my memory :) sorry

For those interested order is

  • Pin 1 is 3.3V
  • Pin 2 is GND
  • Pin 3 is Key (4.7K pullup)
  • Pin 4 is Led
  • Pin 5 is RXD
  • Pin 6 is TXD