HALJIA NE555 Pulse Generator Adjustable Frequency Module 5-12V DC Compatible with Arduino Smart Car Single Channel Output Module 25 * 13mm

Feature: Application : Computer stepper motor step generation etc.onboard chip NE555single output, the output duty cycle square wave is about fifty percentAdjustable resistance, adjust the resistance and then control the output frequencyOnboard power indicatorWorking voltage: 5 ~ 12VBoard size: 25 (mm) x13 (mm)Packing List:1*NE555 Pulse Generator