The CrazyF411 ELRS flight controller has an integrated UART 2.4GHz ExpressLRS receiver and a 20A Blheli_s ESC with the Bluejay firmware pre-installed. It's suitable for 2-4s batteries. Including larger Mosfets supports up to 20A currents, making it ideal for 2-4S toothpick or long-range FPV drones. The 2.4GHz ExpressLRS receiver features the SX1280 radio frequency chip, known for its high sensitivity, elevated packet rate, and low latency. This makes the flight controller a top choice for Race and Freestyle pilots. The built-in ELRS receiver communicates via UART with the MCU, similar to the Happymodel EP1. Updating the firmware is straightforward through either Betaflight pass-through or WIFI. It comes with the default ELRS V3.0.1 firmware. This flight controller is set to replace the ELRS X1 flight controller in the Crux35 model.
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