In this post I will explain a very simple digital panel type voltmeter circuit using a single IC L7107 and a few other ordinary components. The circuit is able to measure […]
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Solar Water Heater Circuit with Battery Charger
The proposed solar water heater with battery charger controller circuit explains a simple method of utilizing the excess solar energy from a solar panel for heating water in water tanks […]
Laser Diode Driver Circuit
The current controlled circuit of a laser pointer power supply explained in the following post was requested by Mr. Steven Chiverton (stevenchiverton@hotmail.com), who himself is an intense electronic hobbyist and researcher. Technical […]
Climate Dependent Automatic Fan Speed Controller Circuit
The following circuit of a temperature or climate controlled automatic fan speed regulator circuit was requested by one of the followers of this blog Mr.Anil Kumar. I will explain more about the proposed design. […]
3 Step Automatic Battery Charger/Controller Circuit
Generally it is noticed that while charging batteries people hardly pay any special attention toward the procedures. For them charging a battery is simply connecting any DC supply with matching voltage with the […]
Make a Battery Charger in 15 Minutes
I have posted many battery charger circuits in this site, some are easy to build but less efficient, while some are too sophisticated involving complex construction steps. The one posted […]