Making Delay Timers using NOT gates IC 4049

The post explains how accurate delay timers using NOT gates can be built easily with the help of ICs such as IC 4049 and generate reproducible delay features from these configurations. There are several situations when a switching delay is necessary. One of the ways of accomplishing this is to utilize an RC network and […]

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Simple Dark Room Timer Circuit for Photographers

A basic dark room timer circuit for photographers works on a solitary 1.5V cell and flashes a neon light is detailed below. As the time frequency are visible, it is quite simple to record time lapsed even in darkness. Transistor Tl actuates transistor T2 instantly. Output of the A transistor pair is within phase having […]

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Bedside Lamp Timer Circuit

  The bedside lamp timer circuit as depicted in the article is a useful energy saver as often a bedside lamp is used for reading is kept ON even when the reader is asleep this particular circuit automatically turns off after a given time T1. There are two push to on switches namely P1 and […]

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