How many times has this happened to you?  Saturday morning, wake up early to throw together those parts that arrived during the week…frame, motors, ESCs, flight controller and more…can’t wait to fly this thing.  Rush it out into the back yard, power it up, add some throttle, and nothing…or worse, smack, an instant and violent

The Falcon F4 is a high performance STM32F4 based flight controller with the following features: STM32F4 Processor running at 100MHz Invensense MPU9250 gyro, accelerometer, and magnetometer Measurement Specialties MS5611 barometer Main port, Flexi Port, 8-pin Flexi-IO port 6 ESC / Servo Outputs Mounting holes: 30.5 x 30.5 mm Overall size: 36 x 36 mm Power: 120mA @

Flashing RaceFlight onto your flight controller for the first time?  Use these steps: 1. Your flight controller should not be powered by a battery during this process. 2. Download the latest RaceFlight firmware files for your board.  Since RaceFlight v2 is under development, new versions are released often, and usually on Dropbox.  Check RC groups