20pcs NE555 Adjustable Frequency Pulse Generator Module Smart Car
$19.00
SKU: EB0041267
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1. NE555 chip onboard
2. A single channel output, the output duty cycle square wave is about fifty percent
3. Onboard adjustable resistance, resistance can be controlled to adjust the output frequency
4. Working voltage: 5 - 12V
5. Board size: 29 (mm) x12 (mm)