Updated Sonoff RF Bridge 433 (markdown)

Michael Ingraham 2019-07-17 00:37:20 -04:00
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## Overview
In addition to the ESP8266, the bridge has an *RF chip* (433MHz) for which there is a custom firmware commonly referred to as 'Portisch'. The original Sonoff RF firmware is limited to mostly just Sonoff RF devices. By updating the firmware of the RF chip (EFM8BB1 MCU), new features and types of devices become usable. Tasmota supports the Original Sonoff RF firmware and [Portisch firmware](https://github.com/Portisch/RF-Bridge-EFM8BB1).
In addition to the ESP8266, the bridge has an *RF chip* (433MHz) for which there is a custom firmware commonly referred to as 'Portisch'. The original Sonoff RF firmware is limited to mostly just Sonoff RF devices (a single 24-bit RF protocol). By updating the firmware on the RF chip (EFM8BB1 MCU), new features and types of devices become usable. Tasmota supports the original Sonoff RF firmware and [Portisch firmware](https://github.com/Portisch/RF-Bridge-EFM8BB1).
The RF upgrade requires wiring the bridge and then flashing the firmware via Sonoff-Tasmota Web UI ([details below](#rf-firmware-upgrade)).