SpeedyBee F405 V4 55A Stack
The price seems unbelievable, but it's true - for only $69.99, you will get an STM32F405 FC (better than F411), onboard 4-level battery life indicator, 4GB Blackbox SD card slot for your flight logs, 4 groups of LED strip pads, complete with a DJI plug for your digital quad, and built-in Bluetooth for wireless configuration on the SpeedyBee app.
Don't forget about the powerful 55A 4-in-1 ESC, built with aluminum alloy heat sink + TVS protective diode + Japan made TDK SMT capacitors + external 1000uF low ESR capacitor, everything is for durable build and smooth flight.
All of that for only $69.99! Top-shelf spec at a crazy low price, what are you waiting for?
| MCU | STM32F405 | 
| IMU | ICM42688P | 
| Barometer | Built-in | 
| OSD | BetaFlight OSD w/ AT7456E chip | 
| WiFi/BLE | BLE FC configuration, firmware updates and blackbox analysis | 
| DJI Support | Full DJI Air Unit connection | 
| Blackbox | Up to 4GB through SD Card | 
| Input Voltage | 3-6S LiPo | 
| BEC | 3.3/4.5/5/9V | 
| USB Connection | Type C | 
| Dimensions | 46x44x16mm (30.5x30.5mm mounting, M4 hole size) | 
| Weight | 36g | 
 
                                   
                         
                         
                         
                         
                                 
                                 
                                 
                                 
                             
                             
                             
                             SpeedyBee F405 V4 55A Stack Manual
SpeedyBee F405 V4 55A Stack Manual