Hummingbird V4 with SmartMax 400mw VTX ELRS2.4G AIO Flight ControllerHummingbird V4 ELRS 2. 4G AIO Flight Controller Let's be honest. Your current whoop is probably suffering from the holy trinity of problems: a dodgy RC link, a VTX that cooks itself on the starting grid, and tragic voltage sag. The Hummingbird V4 AIO is the cure. It combines a rock solid SPI ELRS 2. 4G receiver with a clever 400mW SmartMax VTX and a proper solid pin power connector, creating the most potent 1S brain you can cram into a 65mm frame. Why

Hummingbird V4 ELRS 2.4G AIO Flight Controller

Let's be honest. Your current whoop is probably suffering from the holy trinity of problems: a dodgy RC link, a VTX that cooks itself on the starting grid, and tragic voltage sag. The Hummingbird V4 AIO is the cure. It combines a rock-solid SPI ELRS 2.4G receiver with a clever 400mW SmartMax VTX and a proper solid-pin power connector, creating the most potent 1S brain you can cram into a 65mm frame.

Why You Want It

Because this isn't just an upgrade; it's practically cheating. The SmartMax VTX stays cool while you're disarmed, then intelligently ramps up to 400mW the moment you arm, giving you incredible penetration without melting your canopy. The 12A Bluejay ESCs and BMI270 gyro provide that buttery-smooth, locked-in feel that stock whoops can only dream of. It's the unfair advantage you need to dominate your local whoop race or just fly with impunity around the house while it's chucking it down outside.

Specifications

• MCU: STM32F411 (The processing power to handle your ambition)
• Gyro: BMI270 (The clean, reliable signal you need for that "flying on rails" feeling)
• VTX: Up to 400mW with SmartMax (Stays cool when you're waiting, blasts through walls when you're flying)
• ESC: 12A BLHeli_S with Bluejay 0.19.2 (48kHz of smooth, RPM-filtered goodness)
• Receiver: SPI ExpressLRS 2.4G (The gold standard link, built right in. Update your firmware!)
• Power Connector: PH2.0 Solid Pin (The only connector that doesn't sag more than your will to live in January)
• Mounting: 25.5×25.5mm (The standard for tiny whoop frames)
• Weight: 4.57g (Lighter than your collection of broken props and shattered dreams)
• Input Voltage: 1S Only (Don't even think about it.)

What's in the Box*

• 1x Hummingbird V4 AIO Flight Controller
• 0x Excuses for losing your next race

Disclaimer

*We guarantee this board is in the box. If you manage to make it release magic smoke, that's a feature you've unlocked yourself.

Still Here?

You're still reading? You've already mentally installed this in your favourite whoop frame, haven't you? You're picturing the clean video signal and the lightning-fast response. This high-performance whoop AIO is the upgrade you know you need. Stop dreaming and start building. Your race is waiting.