The purpose of this circuit is to power a lamp or other appliance for a given time (30 minutes in this case), and then to turn it off. The purpose of this circuit is to power a lamp or other appliance ...

What would happen if your projector went dark in the middle of a presentation? Would a training session end prematurely, making your team have to come back at a later time? Would a client interaction ...

The objective of the circuit is to be able to provide a night lamp with an ultra low current consumption from a battery source in case of the absence of wall mains socket. TS555 – a single CMOS timer ...

Hydroponics and Aeroponics are great alternatives to traditional gardening for those who want to grow indoors, but it can be tricky to give your plants the right balance of nutrients and water.

Little project to monitor work hours of UV-C lamp used as germicidal irradioation system. Lamp was made here in Poland for hospitals and any possible use in case of COVID-19 danger. Thanks to my ...

[Steven Mackaay] added a simple user interface that implements a shutoff timer for his desk lamp. His project log comes in two parts, the breadboarding and the actual implementation. He wanted a few ...

There are at least two popular applications of blinking a string of 110V/230V AC incandescent lamps. The first is audio-visual warning at construction sites or where repairing is going on. The second ...

As much as I love lighting scented candles, I’ve permanently shelved them because I often forget to blow out their flames. This week, I found a solution that lets me safely enjoy my favorite candles ...

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