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Updated Sonoff 4CH (markdown)

Thomas Dietrich 2017-07-26 20:04:51 +02:00
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Sonoff-4CH.md

@ -47,6 +47,15 @@ The main differences between the 4CH and the 4CH Pro are:
- RF receiver (optional key fob required).
- Dual microcontroller, both a ESP8285 and a STM32.
Because Firmware Button/Switch 1 is not directly connected to the GPIO0 of the ESP module a different method has to be used to program this board.
To program the ESP chip disconnect power from the board, connect a cable from any Ground (GND) pin to the GPIO0 pin on the ESP (be careful not to touch any of the other pins). This is the second pin to the right on the top row of pins (see picture). While holding the pin connected power on the board. The board does not respond to any button pressed when in programming mode and LED 1, 2 and 3 are on (might differ per board).
Use the ESP programming header as described in the picture to upload the firmware and follow regular programming procedure.
<img title="Sonoff 4CH Pro programming" src="https://github.com/arendst/arendst.github.io/blob/master/media/4chpro_gpio0.JPG" width="50%"/>
## Switch configuration
A lot of the special modes are controlled by switched on board of the board, please refer to back of the board or Sonoff documentation for more details. For normal operation with Tasmota the following settings are recommended: