NE555 Pulsfrequenz Einschaltdauer einstellbares Modul Rechteck Signal Generat vl
1,39 €
Duty Cycle Adjustable Module Frequency NE555 Square Wave Signal Generator Pulse. Main chip: NE555;. Generate adjustable pulse for MCU. Output with LED indication (low level,LED will on; high level, LED will off; low frequency, the LED flashes);.
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