Hello friends, in this video i have shown that how to do the calibration of KK 2.1 flight controller You can also find more interesting videos related to quadcopter or drone making in below link 1.Drone outdoor flight test | 700 m high | DIY Quadcopter • Drone outdoor flight test | 700 m high | D... 2. Quadcopter 1St Flight Test • Quadcopter 1St Flight Test#drone #dronefoo... 3.How to solder Bullet Connector to ESC in Easy Method • How to solder Bullet Connector to ESC in E... 4.Make Your Own Quadcopter (DRONE) Within Rs.16000,Design & Fly • DIY - quadcopter | make your own quadcopte... 5.30A ESC and 1000KV BLDC Motor Wiring and Connection • How to make 30A ESC and 1000KV BLDC Motor ... 6. 30A ESC and 1000KV BLDC Motor Wiring and Connection • How to make 30A ESC and 1000KV BLDC Motor ... below are the link of more interesting video 1.Free Energy !! Run A LED by Synchronous motor • How to make Free Energy !! Run A LED by Sy... 2.Solenoid valve engine/motor DIY • How to make a Solenoid valve engine/motor DIY 3. How to Make a simple bubble machine • How to Make a simple bubble machine II Ama... 4. how to make a high power halogen lamp/bulb using pencil lid • how to make a high power halogen lamp/bulb... 5. how to make a smartphone projector at home with a bulb • how to make a smartphone projector at home... 6. Make your own solar powered bicycle / homemade solar E-bike • Make your own solar powered bicycle I home... 7.my homemade e-rickshaw / electric tricycle • my homemade e-rickshaw I electric tricycle... 8.how to make a Wireless vacuum cleaner !!! • how to make a vacuum cleaner | Amazing ide... for more related videos please subscribe /like/share robotronics channel. / robotronics Thanks and regards, robotronics