LM358 Duty Cycle Frequency Adjustable Module For Arduino Square Wave Generato on
3,36 €
Square Wave LM358 Duty Cycle Frequency Adjustable Module For Arduino Generator. 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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