10Pcs NE555 Pulse Generator Square Wave Rectangular NE555 Adjustable Frequency

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10Pcs NE555 Pulse Generator Square Wave Rectangular NE555 Adjustable Frequency Pulse Generator Module Single Channel Signal Output Frequency Duty Cycle Square Wave Module Board Product Description Onboard NE555 chip
Single signal output, the output duty cycle is about 50% square wave
On-board adjustable resistor, adjusting the resistance value can control the output frequency
Onboard power indicator
Operating voltage: 5~12V

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