NE555 Pulse Frequency Duty Cycle Adjustable Resistance Module Single Channel Square Wave Output NE 555 Module DC 5-12V

DIY NE555 Adjustable Resistance Frequency Pulse Module Single Channel Output DC 5V 12V for Arduino Smart Car

Features:100% and high quality!On-board ch NE555.A single channel output, the output duty cycle square wave is about fifty percent.Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.Best choice for yourself or your friend.You will not be disappointed!Specifications:Color: BlueWorking voltage: 5-12VSize: 29 (mm) x12 (mm)Package Included:1 x NE555 Adjustable Resistance Frequency Pulse Module

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