Amazon
onboard chip NE555 single output, the output duty cycle square wave is about fifty percent onboard adjustable resistance, resistance to adjust the output frequency can be controlled, Onboard power indicator working voltage: 5 ~ 12V DC ; board size: 29 (mm) x12 (mm) 0
onboard chip NE555 single output, the output duty cycle square wave is about fifty percent onboard adjustable resistance, resistance to adjust the output frequency can be controlled, Onboard power indicator working voltage: 5 ~ 12V DC ; board size: 29 (mm) x12 (mm) 0