CentIoT - NE555 2 CH Channel Dual Way Micro Usb - Pulse Frequency Duty Cycle Adjustable Module - Square Wave Signal Generator DC 5-30V 5V 3 Button 1Hz ~ 150KHz BL004-HC12 To reference GPIO pins in

To reference GPIO pins in code use just the number

Output current: 30A Max

Current: 10A

PartNumber: SCR

Side A: DC Male Jack socket center pin positive

CentIoT - NE555 2 CH Channel Dual Way Micro Usb - Pulse Frequency Duty Cycle Adjustable Module - Square Wave Signal Generator DC 5-30V 5V 3 Button 1Hz ~ 150KHz BL004-HC12 To reference GPIO pins inBrand: CentIoT Color: Blue Features: Module based on : NE555 chip; Working voltage: 5 30V, support micro USB 5. 0V power supply Frequency range: 1Hz ~ 150KHz; Frequency accuracy: 2% Two independent PWM generators can set the frequency, duty cycle, wide frequency range, high accuracy;=, with serial communication Output current: <30mA; Output amplitude: Default 5Vp p (settable) Operating temperature range: 30 ~ + 70 ; Serial control: Baud rate: 9600