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RF315/RF433MHz KeyFob or Wall Switch. TASMOTA settings and RF communication Guide

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RF315/433MHz module. Hardware connection instruction Tasmota uses the rc-switch library to decode RF codes. The ESP32R4 controller TASMOTA firmware is already built with the RC-switch library. The ESP32R4 controller is already configured for use RF-Receiver. If you need to change and update the setting, follow to this instruction. Open TASMOTA web interface. Menu – Configuration – Configure Module. Setup…

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ESP32R4 controller firmware update.

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Update over the serial connection using a serial-to-USB adapter: CH340, FTDI FTR232,  CP2102/2104, PL2303… Some adapters can be switched between 3.3V and 5V for the data pins, but still provide 5V on the power pin which will irreparably destroy your device. You MUST make sure the data (RX and TX) logil level 3.3V and VCC pins are…