Square Wave Signal Board NE555 Duty Cycle Frequency Generator Module Adjustable
6,50 €
NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Board. With LED indicator output (low level, LED light; high level, LED extinction; low frequency, LED flicker). M-H frequency: C = 0.1UF; high frequency: C = 0.001UF.
Jetzt bei Ebay:
