Timer kit 2 - 555 Pulse A Counter (Kit)
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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
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