RX Happymodel ES900 DUAL ELRS Diversity 750MHz

RX Happymodel ES900 DUAL ELRS Diversity 750MHz is a reliable device for unmanned systems operating at 750MHz. It is designed using the advanced CRSF protocol and is based on the ESP8285 technology chip.

Specs:

• Telemetry output power: 17dBm
• Operating frequency: 750MHz
• Protocol: CRSF
• Size: 12*12 mm
• Weight: 0.6 g
• Antenna connector: IPEX1

Linking HappyModel ES900RX to the control equipment

• Turn on the power to the receiver, wait until the red LED goes out, and turn off the power. Repeat this procedure one more time. After the receiver has been powered on for the third time, the red LED will flash twice at a time, indicating that the receiver has entered binding mode.
• Run the ERLS.LUA V2.0 script on the hardware and press BIND, the red LED will turn off, then start blinking slowly, then stop blinking and start lighting up steadily if the binding was successful.

Update ES900RX firmware via WiFi

• Switch the receiver to Bind Mode, but do not bind it, wait one minute, then the receiver will enter the "ExpressLRS RX" WiFi Hotspot mode with a password: expresslrs
• Using a web browser, go to the required firmware and click "Update". The procedure takes 1-2 minutes.