Multi Mode Timer (version II) - 8 to 8192sec (2.3h) (Assembled)

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Skill Level : Assembled and Tested

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A 555 timer IC can be set to 1 second oscillation. The 555 output is fed to a 4020B ripple counter IC. Eleven time outputs from the counter is jumper selectable to an on-board relay. PCB dimensions: 58mm x 53mm. Power supply: 12VDC (CPS152)

NOTE: Please allow 24 hours for assembly!Documentation in acrobat format
Schematic to show how to connect two x CPS152 together to get very long duration timers - to 20 years

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