LM358 Duty Cycle Frequency Adjustable Module Generator Square Wave For Arduin es
4,64 €
The main chip: LM358. Used to generate the square wave signal to drive a stepper motor drive. Produce adjustable pulse for the MCU to use. 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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