SpeedyBee F405 V3 Flight Controller Stack:30x30 Bluetooth Stack with 4in1 50A ESC Board,Wireless Betaflight Configuration,Blackbox,Barometer for DJI O3 Air Unit FPV

The SpeedyBee F405 Flight Controller Stack offers a range of features at an affordable price. It is easily updated to the latest firmware and the Bluetooth and black box functionalities work flawlessly. This stack is particularly well-suited for small quads and is compatible with DJI O3. One drawback of this flight controller stack is the placement of the USB port, which is poorly positioned and prone to damage. Some users have reported that the battery straps on the Source One V5 frame can catch and rip off the USB port. However, this issue can be resolved by placing a small piece of tape over the port to prevent any unwanted contact. Another potential concern is the durability of the stack. One user experienced the USB port breaking off the board after just two months of use, requiring them to rely solely on Bluetooth for connection. While the user acknowledges that this may be a rare defect, it nevertheless raises concerns about the overall quality and durability of the product. Despite these issues, many users have found the SpeedyBee F405 Flight Controller Stack to be a good option for small quads. It performs well in stabilizing smaller drones and offers a wide range of features. The included packaging is also praised, as it comes with extra screws, gummies, and nuts.