Quartz Pendulum Wall Clock Circuit

Original youngtown 12888 pendulum type movement step clock accessory quartz diy movement kits 1 2 inch maximum dial thickness 9 10 inch total shaft length. It s using standard discrete components but in a very clever way that allows the coil to push. Hicarer pendulum clock movement quartz diy movement kits replacement pendulum clock movement mechanism shaft length 0 79 inch 4 4 out of 5 stars 226.

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Original youngtown 12888 pendulum type movement step clock accessory quartz diy movement kits 1 2 inch maximum dial thickness 9 10 inch total shaft length.

Quartz pendulum wall clock circuit.

Include hands quartz diy wall clock movement mechanism battery operated diy repair parts replacement. Spend this time at home to refresh your home decor style. Get great deals on quartz battery powered analog wall clocks with pendulum. Conversely when the pendulum swings the other way the vane must continue to interrupt the light.

I wasn t expecting the circuitry in this unit to be so clever. 4 3 out of 5 stars 2 300. This means that with the pendulum swinging in 0 5s beats we get a short pulse from the photo interrupter at 1s intervals. This pulse is inverted by ic1a and inverted again by ic1b which then clocks ic2 a 4013 flipflop.

Get it as soon as fri sep 18. 4 4 out of 5 stars 473 10 99 10. 4 4 out of 5 stars 489 10 99 10.

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