The BETAFPV ELRS Micro Receiver is a small 2.4GHz ExpressLRS receiver with five PWM channels, made for fixed-wing aircraft, helicopters, RC cars and boats. It outputs PWM or CRSF, stores its binding, and lets you set failsafe values over Wi-Fi.
Key features
5 PWM channels with configurable failsafe
PWM or CRSF output
Bind by power-cycling three times; reconnects automatically after binding
U.FL antenna connector with T-antenna
Specifications
Frequency
2.4GHz ISM
MCU / RF
ESP8285 + SX1280/SX1281
PWM channels
5
Telemetry power
17mW (12.5dBm)
Input
5–9V DC
Size
19 x 32 x 9mm (without antenna)
Weight
4.5g (with antenna)
Firmware
ExpressLRS 3.x on current units (TX and RX must run the same major version)
Compatibility
Radio: any ExpressLRS 2.4GHz radio on the same major firmware version. Not FrSky, FlySky or Crossfire.
Power: 5-9V from an ESC BEC or receiver battery - not direct from a 3S+ pack.
Channels: 5 PWM outputs suit simple planes and cars. For more servos use the 14-channel SuperP.
