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R2

Theo Arends 2017-12-02 16:06:01 +01:00
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Sonoff-Dual-and-Dual-R2.md

@ -14,6 +14,10 @@ Sonoff Dual R2 is the replacement for Sonoff Dual. Compared to the Dual the main
Please see the [Hardware Preparation](https://github.com/arendst/Sonoff-Tasmota/wiki/Hardware-Preparation) page for general instructions.
As always, you need to access the serial interface. The **four serial pins** (VCC, Rx, Tx, GND) are available at the short end of the PCB and can be seen on the left of the image below.
<img alt="Sonoff Dual R2" src="https://github.com/arendst/arendst.github.io/blob/master/media/dualr2a.jpg" />
## Sonoff Dual