1Hz-6Khz Adjustable Signal Generator DC 5V-15V Square Wave Generator Module NE555 50Hz-6Khz 0.8Hz-60Hz TTL Input Levels Output
USD 0.77USD 0.99
1Hz-6Khz Adjustable Signal Generator DC 5V-15V Square Wave Generator Module NE555 50Hz-6Khz 0.8Hz-60Hz TTL Input Levels Output