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10PCS NE555 Signal Generator Module Frequency Duty Cycle Adjustable Square Wave
- Item No : 254329305088
- Condition : New
- Brand : Unbranded/Generic
- Seller : alimodule
- Current Bid : US $5.73
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* Item Description
- Main chip: NE555;. 10 PCS NE555 Duty Cycle and Frequency Adjustable Module Square Wave Rectangular Wave. Output with LED indication (low level ,LED will on; high level, LED will off; low frequency, the LED flashes);.
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