SpeedyBee F405 V4 Flight Stack - First Look Review

This is the new SpeedyBee F405 V4 flight stack released in Sept 2023. From the iconic yellow soft mounts to the exceptional build quality, these PCBs ooze excellence. The 4 in 1 ESC even sports an aluminum alloy heatsink, giving it a high-end feel.

The standout feature? An impressive current rating of 55A continuous and 70A burst current, a significant improvement from the previous V3's 50A. And here's the kicker—it's priced at just $69.99, an unbelievable value.

The MCU is an STM32 F405, and the gyro has been upgraded to an ICM 436 88P for better noise performance and surge protection. With 5V and 9V BECs at 3A, an improved SD card reader, and native DSHOT support for 8 motor outputs in INAV, this flight stack is loaded with enhancements.

Setting up is a breeze with the SpeedyBee app, offering wireless configuration through Bluetooth and Wi-Fi. Plus, it allows for on-the-fly PID tuning and firmware flashing. Need to change motor direction wirelessly? This app has you covered.

The 4 in 1 ESC stands out with its 55A continuous current rating, alloy heatsink, and lower internal resistance MOSFETS for cooler operation. It's DJI air unit ready and includes a handy long interconnect cable for flexible board orientation.

Say goodbye to soldering woes and hello to simplified drone building with the SpeedyBee F405 V4 flight stack. It's a winning combination of quality, value, and upgrades that I highly recommend.

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00:00 Hello and welcome 00:48 Pricing 01:56 Flight controller features 05:24 4 in 1 ESC features 06:33 What's in the box and accessories 09:32 Reasons to buy it ... https://www.youtube.com/watch?v=Mx5qC8W4wjs