The Hummingbird 200 RaceSpec Stack is a purpose-built 20x20 flight stack designed from the ground up for competitive 5” FPV racing. Co-developed with professional racer Kyle Buell (aka Twidgit) and tested rigorously over half a year of real racing conditions, this stack delivers the durability, precision, and simplicity that race pilots demand.

At the heart of the system is the Hummingbird 200 Flight Controller, powered by a blazing-fast AT32F435 MCU at 288MHz, offering performance that surpasses even F722 processors. It features the highly respected ICM-42688 gyro with dedicated LDO power, and a built-in 2.4GHz UART Receiver compatible with ExpressLRS protocol (NewBeeDrone Custom Firmware) with dual ceramic patch antennas and a TCXO oscillator for unmatched signal stability. This design eliminates the need for external receivers, simplifying builds and improving reliability during crashes.

Paired with the FC is the Hummingbird 200 4in1 ESC, rated for 80A continuous for 10 seconds and 100A burst for 3 seconds per channel, supporting 3–6S LiPo input. Built on a 6-layer 3oz copper PCB with blind vias and gold plating, this ESC is engineered to survive repeated abuse. It features three massive onboard TVS diodes for voltage spike protection and four corner-mounted capacitor pads for larger builds.

A standout feature is the 3D reinforced motor pad design—with solderable surfaces on the top, bottom, and side—ensuring rock-solid motor wire attachment that won’t rip off even in hard crashes.

Key Features

Flight Controller (Hummingbird 200 FC RS)

• AT32F435 MCU @ 288MHz – faster than F722

• IF YOU CANNOT GET INTO DFU, PLEASE INSTALL AT32 DRIVER

• Built-in ExpressLRS 2.4GHz receiver (UART-based)
  Firmware target name(NewBeeDrone Diversity 2.4Ghz RX V2)

  • Dual ceramic patch antennas

  • TCXO oscillator for signal stability

• ICM-42688 gyro with dedicated LDO power supply - External clock sampling in BF4.6 reduces gyro noise, improves stability.

• NBD7456 OSD chip

• 10V 2A and 5V 2A dual BEC power outputs

• UART Layout:

  • UART1: Internal ELRS

  • UART5: Direct HDZero VTX plug

  • UART7: Free

   

• I2C and LED pad ready

• Mounting: 20x20mm (M2 or M3)

• Weight: 4.8g

• Comes with Nano Coating

ESC (Hummingbird 200 RS 4in1 ESC)

• 10 Seconds Continuous Current: 80A per channel

• 3 Seconds Burst Current: 100A (3s)

• Voltage Input: 3–6S LiPo

• AT32F421 MCU with integrated gate driver

• Firmware: AM32

• 6-layer, 3oz copper PCB with blind via and gold plating

• 2x onboard TVS diodes rated for 400W peak

• 3D motor pad structure (top + bottom + side solderable)

• Mounting: 20x20mm (M3 holes)

• Dimensions: 35x45mm (incl. pads)

• Weight: ~13.9g

• Comes with Nano Coating

User Guide: Link

Wire Diagram: 

Package Contents

Flight Controller:
1x Hummingbird 200 RaceSpec Flight Controller – AT32F435 20x20 FC with Built-in ELRS 2.4GHz for FPV Racing
5x Grommets
1x DJI O3/O4/HDZERO plug and play cable 100mm
1x SH1.0 8Pin 36mm for FC to ESC
2x 120mm silicon wire 4 colour cable

ESC:
1x Hummingbird 200 ESC RaceSpec 80A 3-6S AM32 20x20 Design for Extreme Racer
5x Grommet
1x 14awg Power cable 
1x XT60 Plug
1x 8Pin 100mm Silicone Cable for FC Connection
1x 1000uf Capacitor 
2x Tiny heat shrink for capacitor