ITEM NAME:Micro usb dc 2ch pwm signal generator duty cycle pulse frequency module J Bj.Two independent PWM generators can set the frequency and duty cycle. (XXX: range 1Hz ~ 999Hz; XX.X: range 0.1Khz ~ 99.9Khz; X.X.X. : range 1Khz ~ 150Khz,). "100" indicates that the PWM output pulse of 100Hz;.
