WINGONEER 5PCS NE555 Pulse Generator Adjustable Frequency Module 5-12V DC
<b>WINGONEER trademark Reg.NO:4747611</b><br/><br/>1. onboard chip NE555<br />2. single output, the output duty cycle square wave is about fifty percent<br />3. onboard adjustable resistance, resistance to adjust the output frequency can be controlled<br />4. Onboard power indicator<br />5. working voltage: 5 ~ 12V<br />6. board size: 29 (mm) x12 (mm)<br /><b><br />Package Include:</b><br />5 x Pulse Generator Module<br /><br />