5Pcs LM358 Duty Cycle Frequency Adjustable Module For Arduino Square Wave vq
14,41 €
5Pcs LM358 Duty Cycle Frequency Adjustable Module Square Wave Generator For. The main chip: LM358. Plug 0 short-circuit the cap, that is, all four short circuit cap removed files for high- frequency, the longest cycle upwards to 0.3 seconds.
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