In this post we learn about an automatic programmable 7 day plant watering system circuit as requested by Mr. Michael. Here’s the requested as given in the below paragraph Hello admin, The timing circuit must be powered with 9v and its function will be to switch on and off a 9v supply to a microcontroller […]
Timer
Simple 1 minute to 60 minutes Timer Circuit using IC 4011
This simple NAND gate timer circuit enables you to turn off a selected device after about 1 to 60 minutes. The circuit can be used to turn off gadgets such as radio, tv set, fan, pump etc after a predefined time of 60 minutes. Such a circuit can easily gain a lot of electricity. The […]
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 […]
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 […]
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 […]
Programmable Timer Circuit for Fish Aquarium
This circuit of a flexible programmable timer circuit spelled out in this post was created by me. Let’s get more information about the request and the circuit details. So here’s the circuit that I invented for Programmable Timer Circuit for Fish Aquarium. As the term advise, the timer is rather adaptable and might be modified […]