Short Circuits Two Project - Countdown Timer
Code: 8009712
- Short Circuits Two Countdown Timer Project Kit Project number 2 in SC2 series Short form kit with components and board Instructions not included
KJ8202
Assembly Required
This neat project enables you to dial a time you want to elapse before you want something to happen, say the exposure of a camera shutter or an electrically operated door to stay open. At the end of the timed period (seconds to many minutes) a relay is energized which can switch something on or off.
PCB and all parts supplied, including relay.
Requires 9V battery.
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