2Pcs Square Wave NE555 Pulse LM358 Duty Cycle Frequency Adjustable Module Ic xh
2,67 €
2Pcs NE555 Pulse LM358 Duty Cycle Frequency Adjustable Module Square Wave 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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