Includes
- 1x HappyModel CrazyF411 F4 2-4S Whoop/Toothpick AIO Flight Controller w/ 20A 8Bit 4in1 ESC - ELRS 2.4GHz (UART)
- 2x Wire
- 1x Hardware Set
- 4x Grommets
Wiring Diagram & Binding Procedure
Binding procedure
- Supply power to the flight controller by plug USB, wait until the green LED on the FC is off, immediately turn off the power, and then repeat again the above steps. When the FC is powered on for the third time, the green LED light will start to double-flash, which means that the RX enters the binding mode
- Please make sure your ExpressLRS tx module firmware is v3.x.x. And go to ExpressLRS.lua from “TOOLS” menu of your radio transmitter. Then hit [Bind] to binding with the onboard ExpressLRS receiver. The green LED should blinking slowly first then turn to solid, that means binding was successfully. If the green led still keep double flash after binding ,please change Model Match tab value from “off” to “on” or from “on” to “off”
Receiver LED status meanings
Green LED solid means bind successful or RC link established; Green LED double-flash means get into bind mode; Green LED flash slowly means no RC signal input from TX module; Green LED continuous flash fast means ExpressLRS wifi enabled.
Bind successful
Bind Mode
No RC Input
Wifi Mode
The HappyModel CrazyF411 F4 Flight Controller is designed for drone enthusiasts looking to enhance their 2-4S drones. It features a 20A 8Bit 4in1 ESC and ELRS 2.4GHz receiver for smooth flights. The high-sensitivity SX1280 frequency chip ensures low latency, high packet rate, and great range. Perfect for FPV drones, it's strong enough for race or freestyle flying. The controller is 32x28x9mm in size and weighs 4.97. It runs on a 2-4S Lipo battery.
