Quasar ElectronicsAS3085_3KT - Button Activated Delay Timer (12Vdc Output)http://www.quasarelectronics.co.uk/media/ecom/prodsm/3085_3_small.jpgThis board provides a 12Vdc output that drops to 0V immediately the 'START' button is pressed and returns to 12V at the end of the timing period.Electronics > Circuit Components > Circuit Prototyping > Development Boardsid3085_3kt3085_3KT8.95Quasar Electronics Limitednewin stockhttp://www.quasarelectronics.co.uk/Item/3085_3-delay-timer-with-12vdc-output
This board provides a 12Vdc, 0.5A max. output that drops to 0V immediately the 'START' button is pressed and returns to 12V at the end of the timing period. It can be used to turn off a device for a specific time period.
It uses a simple capacitor discharge circuit. Timing period is adjusted via the onboard trim pot from approx. 1 to 180 seconds. Timing period can be altered using different component values (not supplied).
Provides a 12Vdc output that drops to 0V when the timer is counting down. LED status indicator.