3Pcs For Arduino Square Wave Generator LM358 Duty Cycle Frequency Adjustable ic
9,57 €
3Pcs For Arduino LM358 Duty Cycle Frequency Adjustable Module Square Wave. The main chip: LM358. Output with LED indication, there is no output straightforward (LED high amount, low level LED off LED flashes when the low frequency, high frequency LED will be lit, because the naked eye can not distinguish from).
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