NE555 Adjustable Square Wave Generator
This module generates ≈50% duty cycle square waves using the classic 555 timer IC. The frequency of the pulse can be adjusted using the built-in trimmer potentiometer (7Hz-14kHz).
Input Voltage: 5-12Vdc
Size: 29x12mm
Output frequency (approx.): 7.2Hz - 14.4kHz |