NE555 LM358 Square Wave Pulse Duty Cycle Frequency Adjustable Module
1,40 €
The main chip: LM358. 1PCS Square Wave NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module. Inserted 0 short-circuit cap, the longest cycle upwards to 0.3 s. Inserted one short-circuit cap, the longest cycle can be adjusted to about 4s.
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