diff --git a/Sonoff-4CH-and-4CH-Pro.md b/Sonoff-4CH-and-4CH-Pro.md index 053bd938..d121fdf8 100644 --- a/Sonoff-4CH-and-4CH-Pro.md +++ b/Sonoff-4CH-and-4CH-Pro.md @@ -6,9 +6,7 @@ Unlike most Sonoff modules that use the ESP8266 SOC, the Sonoff 4CH is based on the ESP8285. -The "Sonoff 4CH R2 V1.0" can be flashed using the FTDI 232-1 USB to serial converter. The Rx and Tx pins are correctly labelled. The button labelled IO0 does put the module in flash mode. - -**Sonoff 4CH Pro** +*Sonoff 4CH Pro** * [Itead Product Page](http://sonoff.itead.cc/en/products/sonoff/sonoff-4ch-pro) * [Itead Shop](https://www.itead.cc/sonoff-4ch-pro.html) @@ -35,6 +33,8 @@ As always, you need to access the serial interface. The **four serial pins** (3V 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](Hardware-Preparation#bringing-the-module-in-flash-mode). The button is shown on the second picture. +The "Sonoff 4CH R2 V1.0" can be flashed using the FTDI 232-1 USB to serial converter. The Rx and Tx pins are correctly labelled. The button labelled IO0 does put the module in flash mode. + ### Sonoff 4CH Pro The "FW/IO0" button (Switch 1) is not directly connected to GPIO0 of the ESP module. A different method has to be used to program this board.