2 Stück NE555 Rechteckwelle Arbeitszyklus und Frequenz einstellbares Modul
3,38 €
1, the main chip: NE555;. 1, the output with LED indication, there is no output straightforward (low level LED quantity, high LED off, LED blinks when the frequency is low);. 2 This module is used to generate drive stepper motor drives a square wave signal.
Jetzt bei Ebay:
