1Pcs NE555 Duty Cycle Frequency Adjustable Module Square Wave LM358 Pulse New pg
2,74 €
1Pcs NE555 LM358 Square Wave Pulse Duty Cycle Frequency Adjustable Module New Ic. The main chip: LM358. Produce the adjustable pulse for MCU use. A square wave signal is used to produce a stepper motor-driven drive.
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