The first Low Dropout Voltage (LDO) solar charger controller circuit using transistors makes use of a basic differential amplifier along with series P channel MOSFET linear regulator -their compatible use […]
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 […]
Simple 20 watt Amplifier Circuit
This simple 20 watt amplifier circuit can be easily built at home using TDA2005 IC [You can also use TDA2004]. The procedure not complex and at the end you will […]
Simple Solar Plant Watering Alarm Circuit
In this post we learn a simple solar water plant watering alarm circuit which is powered from a small solar cell and provides a buzzer alarm sound whenever the soil […]
High Temperature Fire Alarm Circuit Using Transistors
The post narrates the making of a simple high temperature fire alarm circuit using transistors only, and not with conventional heat sensors. Though we don’t pay much heed to fire […]
Simple High Power LED Flashlight Circuit
Making a high power LED flashlight circuit is simple. All you need is to gather the components and follow instruction to build the system. This article has explained in detail […]