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3085KT - 3-in-1 Delay Timer Circuits Educational Kit

Ability Level 2: ModerateProduct Format : Self-Assembly Electronic Kit ( Soldering Required)
Ability Level 2 : Moderate

This is really three kits in one. In fact it comprises one each of our timer boards 3152, 3085_2 and 3085_3.

Each one is supplied complete with all components and a separate PCB. Each has a relay output (except 3085_3 which has a 12Vdc output). So you can either purchase all three timers in the one pack (order code 3085) or individually (see 3152, 3085_2 and 3085_3 for details).

The first circuit is a traditional 555 timer circuit but also shows how to extend the timing period to the maximum. The second uses a 555 timer IC to switch a binary counter for time periods from seconds to years! The third circuit uses an electrolytic capacitor's discharge characteristics to time a period from about 2 seconds to 6 minutes.

Timing periods for all three circuits can be altered by substituting different component values (not supplied). Please refer to the individual kits for full product descriptions.

This three-in-one kit makes a good introduction to timer circuits. Full details are provided.

Supply VoltageRegulated 10 - 15Vdc
Current consumption<1mA standby, <35mA active (no load)
Power Supplies

- 660.446UK (with connector 778.106 or 777.001)
- CFE103

Output Signal12Vdc, 500mA max load (see text)
Dimensions (mm)~ 45W x 60L x 20H
Board ConnectionsScrew terminal blocks
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) Product Formats Info
DocumentationUser Manual
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