Timer kit 2 - 555 Pulse A Counter (Kit)
Buy 10, Get 5% Off!
Buy 100, Get 10% Off!
30-day money-back guarantee
Free Shipping in the U.S. on Orders over $50
We offer worldwide shipping as well
Buy now and choose from several shipping methods
Description: This is the classic 555 timer circuit switching a relay after a period of time determined by resistor & capacitor connected to the 555. The 555 is used as a mono-stable. Pot is used to set the time. You can change the component values & threshold trigger.
Dimensions: 2.375 inches x 1.719 inches