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HAPPYMODEL CrossF4 ELRS 5in1 ExpressLRS 2-4G Receiver 1-2S Built-in 5V 1A BEC Compatible with Tinywhoop Racing Drone - Z49814 HAPPYMODEL Z49814 Flight controller Firmware target: CRAZYBEEF4DX4.3.2. MCU: STM32F411CEU6 (100M, 512K FLASH). Sensor: BMI270(SPI connection). Power supply: 1-2S Lipo Lihv battery input (DC 2.8V~8.7V). Built-in voltage detection and current sensor. Onboard 4in1 ESC: MCU upgraded to EFM8BB21. Default Factory firmware: S_H_50_REV16_8.HEX. Support ESC Protocol: DSHOT150/DSHOT300/DSHOT600. Power supply: 1-2S LiPo/LiPo HV (2.8v~8.7v). Currents: 5A continuous peak 6A (5 seconds). Onboard UART ExpressLRS 2-4G Receiver: Packet Rate option: 25/50/150/250/500. Telemetry output Power:

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