Nikko RC Car remake with RPi and Nintendo Joy-Con
up (pwm) : GPIO20 | orange down (pwm) : GPIO21 | bleu right (DC) : GPIO16 | white left (DC) : GPIO19 | yellow
pwm 25ms /3.5 = 8ms period ==> 125hz
rpi b+ gpios pinout : | GND (GND) 34 35 (left) GPIO19 | GPIO16 (right) 36 37 (NC) GPIO26 | GPIO20 (up) 38 39 (GND) GND | GPIO21 (down) 40