Sonoff 4ch

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Must be flashed with a firmware compiled for ESP8285 with 1MB.

BEWARE, this device operates with HIGH VOLTAGE! To flash the case has to be opened, do not connect it to mains while flashing, it can be flashed while powered from the USB-TTL adapter.


Additional information

A step-by-step guide for how to disassemble, assemble, flash and operate the 4CH with ESP Easy will be found here.