JUYI 12V BLDC Motor Driver Dual - Motor For Wheelchair / Electric Scooter，Motor speed control board

JYQD-YL02C(8559) direct start version has NO LOCK function,(linear speed regulation 0-5V,liner brake:0-5V)
JYQD-YL02C(457E) direct start version has NO LOCK function,(linear speed regulation 0-2.5V,liner brake:0-2.5V)
JYQD-YL-02C(99F2)safety start version has LOCK function.(linear speed regulation 0-5V,liner brake:0-5V)
JYQD-YL-02C(C737)safety start version has LOCK function.(linear speed regulation 0-2.5V,liner brake:0-2.5V)

Safety start: if you use a knob style potentiometer to adjust the speed, if the potentiometer not rest to 0 before stop,the motor will direct start according to the last operation,it not safe,so safety start function will automatic reset to 0 to avoid the motor start directly in next power on.