The motors, propellers and frame are made of Lego. Non-Lego parts are the battery, radio receiver and flight controller. After building I fly this quadcopter indoors and outdoors. Enjoy!
Drone specs: Motors (4x): Lego L-motor [88003-1] Propeller blades (8x): Lego Propeller 1 Blade 14L [89509] Gearing: 1:1.67 gear-up for each rotor Frame: Lego liftarms and other Lego parts (look at 11:41 component list) Flight controller: Matek F411-mini Motor driver circuit (4x): MOSFET IRLR2905 + Schottky diode 1N5819 + Resistor 12 kOhm (look at 03:57 circuit diagram) Radio receiver: FrSky R-XSR Micro 2.4GHz Radio transmitter: FrSky X-Lite 2.4GHz Battery: LiPo 9s 33.3V 200 mAh (made out of nine Turnigy nano-tech 200mAh 3.7V 35-70C Pico) Weight with battery: 410 grams Max thrust: 470 grams Flight time: about 2 minutes
# resources # Note: pass telemetry to transmitter (http://www.mateksys.com/?portfolio=f4...) resource MOTOR 5 NONE resource SERIAL_TX 11 B03
# feature feature -AIRMODE
# map map TAER1234
# serial serial 30 32 115200 57600 0 115200
# aux aux 0 0 0 1700 2100 0 0 aux 1 1 1 900 1700 0 0 aux 2 28 1 1300 2100 0 0 aux 3 47 1 1700 2100 0 0
# master set min_throttle = 700 set min_command = 0 set use_unsynced_pwm = OFF set motor_pwm_protocol = OFF set motor_pwm_rate = 480 set align_board_yaw = 135 set pid_process_denom = 16 set gyro_1_align_yaw = 1800
