In this post we learn how to make a simple variable power supply circuit using transistor 2N3055 and some other passive components. It includes variable voltage and variable current feature, […]
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Highly Sensitive Mobile Phone Detector Circuit
A cellphone or mobile phone detector is actually a high gain op amp amplifier which detects slightest of RF disturbance from a mobile phone, and illuminates an LED. NOTE: This […]
Simple Stereo Amplifier Circuit Using IC TDA1521
A simple stereo audio amplifier circuit discussed here is built around the IC TDA 1521, requires very few external passive components and is able to provide a powerful 12 + […]
How to Build a Simple Egg Incubator Thermostat Circuit
An electronic incubator thermostat circuit shown in this article is not only simple to build but is also easy to set and acquire exact tripping points at various different set […]
Make Your Own Rapid Sea Water Desalination Plant at Home
A simple, low cost set up presented in this article will give you a clear idea regarding how to desalinate sea water at a fast rate and in large quantities. […]
3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State
Interested to make an accurate electronic thermostat for your refrigerator? The 3 unique solid state thermostat designs described in this article will surprise you with their “cool” performances. Design#1: Introduction […]