arduino M717 2CH Independent PWM Generator Duty Cycle Pulse Frequency Module LED Digital Timer Counter and Clock Electronic Hobby Kit

Two independent PWM generators can set the frequency, duty cycle; The wide frequency range, high accuracy; Can serial communication. First, the module description Working voltage: 5--30V, support micro USB 5.0V power supply; Frequency range: 1Hz ~ 150KHz; The frequency accuracy: ± 2%;