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1
Description
Happymodel ELRSF4 2G4 V3.1 V3.3 AIO 5in1 Flight controller built-in SPI 2.4GHz ELRS RX
V3.1 and V3.3 Version Update log:
V3.1 version comes with ICM20689 gyro and V3.3 version comes with BMI270 or ICM42688P gyro due to MPU6000 was discon...