NE555 Impulsfrequenzgenerator Modul stabile & praktische LED-Anzeige
6,12 €
Main chip: NE555. Generate, pulse. The output has LED indication. When the LED is low, the LED goes out. When the frequency is low, the LED flashes, which is more clear and convenient. The output frequency range level is optional( with short circuit) to make the output frequency more continuous.
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