The Flexitimer Kit (KA1732)
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$4.98
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$7.47
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$7.47
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$5.99 Nationwide (+$3 rural)
AVAILABLE
Nationwide delivery or pick-up FREE at Kaitaia location
(Usually takes 3-6 working days)
Assembly Required
Ref. Electronics Australia March 1991
The flexitimer uses a 555 timer coupled with a binary counter to create a simple and consistent timing circuit. In the original one-shot mode the timer will count up to the set point and switch the relay once. In the additional interval mode the timer will continue switching the relay at each recurrence of the set point. The circuit can be set at 11 time points with the minimum being 7 seconds and each step doubling the time to a maximum of 2 hours. Other times are possible by changing components C1, R1, and R2. Features of the third revision include a restarting the one-shot mode from an external switch or signal, a more energy efficient design, and space on the PCB for terminal blocks (not included).
• Requires 12- 15V DC (use Cat. MP-3146 plugpack)
• Optional UB5 case (Cat. HB-6015)
| Estimated Construction Time | 30min |
| Kit Form | Short Form (circuit only) |
| Kit Group | General Projects |
| Difficulty | Simple |
| Application Field | The 'Flexitimer' |
| Device | Timer |
| PCB Width | 47mm |
| PCB Length | 74mm |
| Tools required | Soldering Iron |
| Length | 74mm |
| Width | 47mm |