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Updated Sonoff 4CH (markdown)

Thomas Dietrich 2017-06-24 01:26:57 +02:00
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Sonoff-4CH.md

@ -13,7 +13,7 @@ As always, you need to access the serial interface. The **four serial pins** (3V
*Attention:* The printed labels on the PCB for Rx and Tx are incorrectly swapped as can be seen on the image.
<img title="Sonoff 4CH serial connection pins" src="https://github.com/arendst/arendst.github.io/blob/master/media/sonoff4ch_pins.jpg" width="48%" />
<img title="Sonoff 4CH GPIO0" src="https://github.com/arendst/arendst.github.io/blob/master/media/sonoff4ch_gpio0.jpg" width="40%" align="right" />
<img title="Sonoff 4CH GPIO0" src="https://github.com/arendst/arendst.github.io/blob/master/media/sonoff4ch_gpio0.jpg" width="42%" align="right" />
The Sonoff 4CH features four hardware buttons of which one is already connected to GPIO0, which hence can be used to bring the module into [Programming Mode](https://github.com/arendst/Sonoff-Tasmota/wiki/Hardware-Preparation#bringing-the-module-in-flash-mode). The button is shown on the second picture.