Ne555 Generador De Frecuencia De Pulso Ajustable sku1905


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1. onboard NE555 IC 
2. single channel signal output, the output duty cycle about 50% square wave 
3. plate load resistor, adjust the resistance to control the output frequency 
4. onboard power led 
5. working voltage: 5~12V 
6. Board size: 29 (mm) x12 (mm)
NOTE: Can not adjust duty ratio, can only adjust frequency