5Pcs NE555 Square Wave LM358 Pulse Duty Cycle Frequency Adjustable Module Ic wn
6,32 €
5Pcs Pulse Square Wave Duty Cycle Frequency Adjustable Module NE555 LM358 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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