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Modified wording and added redundancy to how R1 and R2 should be wired to save people the confusion I went through.

Jesus Luzon 2019-02-28 04:00:52 -08:00
parent 7b6a810023
commit 6de5d85b3b
1 changed files with 5 additions and 3 deletions
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8
Sonoff-RF-Bridge-433.md

@ -51,12 +51,14 @@ See [Supported Commands](https://github.com/arendst/Sonoff-Tasmota/wiki/Commands
**IMPORTANT:** In the Module configuration GPIO4 and GPIO5 must be left as **00 None**
## RF Firmware Upgrade
**Attention ⚠️️⚠️️⚠️️ Compared to R1 the R2 V1.0 GPIO4 and GPIO5 have been swapped** This impacts flashing of the RF chip only.
**Attention ⚠️️⚠️️⚠️️ There are 2 versions of the `Sonoff RF Bridge 433`: the `R1` and the `R2 V1.0`. Wiring for `R2 V1.0` RF firmware flashing shown on the right.
Wiring for R2 V1.0 RF firmware flashing shown on the right.
<img src="https://github.com/arendst/arendst.github.io/raw/master/media/sonoff_bridge_rffw_upgrade.png" width="300" align="right">
1. Connect two wires between GPIO4 and C2Ck and GPIO5 and C2D. These changes can be permanent as they do not interfere with the normal Bridge functionality and it also allows for easy changing of firmware in the future.
1. This first step will be different depending on your version of the `Sonoff RF Bridge 433`. You will have to connect two wires:
1. For `R1`: Connect `GPIO4 to C2Ck` and `GPIO5 to C2D`. This wiring will look DIFFERENT than the picture to the right.
2. For `R2`: Connect `GPIO4 to C2D` and `GPIO5 to C2Ck`. This wiring will look IDENTICAL to the picture on the right.
2. Switch the ON/OFF switch on the board to 'OFF' to switch off the RF.
3. Hold the pairing button while powering up the bridge via the 3.3V & GND pins. (See below if you need the USB power)
4. Go to the Web UI **Firmware Upgrade** > **Upgrade by File Upload**