<p>Features</p><p><br></p><p><ul><li>STM32F303 CPU</li><li>MPU9250 accelerometer/gyro/compass (connected via SPI)</li><li>2-6S LiPo battery</li><li>Integrated 5V/3A BEC</li><li>Dedicated Sbus and serial RX with 5v ,Spektrum 1024/2048, SBUS, XBUS, SumD and SumH RX with built-in inverter</li><li>6Supports direct connection of 3.3v Spektrum Satellite receivers</li><li>Telemetry support (frsky telemetry, smartport, and HoTT telemetry)</li><li>Dedicated PPM receiver input</li><li>Buzzer support</li><li>Dedicated output for programmable LEDs - great for orientation, racing and night flying. (Currently mutually exclusive with the Transponder)</li><li>BLHeli Passthrough ready（connect BLheli suite）</li><li>2.0 mm pin headers</li><li>80A Current tolerance (PDB)</li><li>Integrated Battery monitoring</li><li>Use all the features all the time; e.g. Connect your USB + SmartPort + SBus + LED Strip + Battery Monitoring + 4 motors - all at the same time!l 20x20mm board</li><li>Weight 2.2 grams</li><li>UART3 （RX3）</li><li>Use for Spektrum Satellite RX, Spektrum 1024/2048, SBUS, XBUS, SumD and SumH RX, etc.</li><li>UART2/PPM - Serial RX or PPM RX + Telemetry</li><li>RX2 as PPM receiver. Use TX2 as telemetry output when using PPM.</li></ul></p>