From 9949c1494de113d926c8a9a978c8a484191e0ad2 Mon Sep 17 00:00:00 2001 From: blakadder Date: Fri, 17 May 2019 20:55:16 +0200 Subject: [PATCH] Created Sonoff 4CH (markdown) --- Sonoff-4CH.md | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Sonoff-4CH.md diff --git a/Sonoff-4CH.md b/Sonoff-4CH.md new file mode 100644 index 00000000..4e73c570 --- /dev/null +++ b/Sonoff-4CH.md @@ -0,0 +1,26 @@ +## Serial Flashing +Please see the [Hardware Preparation](Hardware-Preparation) page for general instructions. + +Sonoff 4CH and Sonoff 4CH R2 use the same configuration but have slightly different boards. Check which version you own before proceeding. +### Sonoff 4CH + +**Attention:** The printed labels on the PCB for RX and TX may be incorrectly swapped as can be seen on the image. Regardless of the labels, the pin next to VCC33 is RX. + +![](https://github.com/arendst/arendst.github.io/blob/master/media/sonoff4ch_pins.jpg?raw=true) +The Sonoff 4CH features four hardware buttons. Button marked FW/IO0 is connected to GPIO0 and can be used to bring the module into flash mode. +![](https://github.com/arendst/arendst.github.io/blob/master/media/sonoff4ch_gpio0.jpg?raw=true) + + +### Sonoff 4CH **R2** +Board is labelled Sonoff 4CH R2 V1.0. + +The RX and TX pins are correctly labelled on this PCB revision. +![Serial pins](assets/images/sonoff_4ch_r2_serial.jpg) +The button labelled IO0 is connected to GPIO0 and can be used to bring the module into flash mode. +![Flash mode button](assets/images/sonoff_4ch_r2_I00.jpg) + +## Official Sources + +* [Itead Product Page](http://sonoff.itead.cc/en/products/sonoff/sonoff-4ch) +* [Itead Shop](https://www.itead.cc/sonoff-4ch.html) +* [Itead Wiki](https://www.itead.cc/wiki/Sonoff_4CH)