Crazybee F4 Lite 1S Flight Controller – 4-in-1 FC/ESC/RX/VTX for Tiny Whoop

The Crazybee F4 Lite is an all-in-one 1S flight controller designed for Tiny Whoop drones, combining FC, ESC, receiver, and VTX in a compact package. It features high-performance STM32F411 MCU, MPU-6000 sensor, and a built-in 5.8G VTX for an integrated, lightweight solution that enhances flight stability and responsiveness.

Key Features:

• All-in-one 4-in-1 design: Flight Controller, 4-in-1 ESC, SPI Receiver (Frsky/Flysky), and 5.8G VTX
• MCU: STM32F411CEU6, 100MHz, 512KB Flash
• Sensor: MPU-6000 (SPI connection) for stable flight control
• Built-in 5A Blheli_S 4-in-1 ESC, Dshot600 ready
• Betaflight OSD with SPI control
• Frsky SPI D8 or Flysky SPI receiver options
• Built-in 5V 1A BEC, voltage detection, and telemetry support
• Onboard 5.8G VTX: 25mW, 40 channels, race band ready, Smartaudio supported
• Compact board size: 28.5 × 28.5mm
• Power supply: 1S LiPo, 2.9V–4.35V input

Notes:

• R1 (RX1) pad for IBUS/DSM2/DSMX signal input
• IR1 (IRX1) pad for SBUS signal input (already inverted)
• R1 and IR1 cannot be used simultaneously
• Compatible with non-EU Frsky D8 transmitters and Flysky AFHDS/AFHDS-2A protocols
• Effective control distance: 100–200m (no ground interference)