The simple small amplifier circuit using transistors functions as a basic audio amplifier designed to amplify weak signals and enhance the audio experience particularly in car radios. Let us find out into the working and construction details of this circuit: Circuit Working: Parts List: Category Component Quantity Resistors 100k 1/4W CFR 1 1k 1/4W CFR […]
Simple High Current Battery Charger Circuit
This high current battery charger circuit is a simple yet effective with automatic cut off at a preset voltage. The TIP35 transistor acts as a voltage follower ensuring that the charging voltage is stable and constant making it suitable for charging high capacity lead acid batteries. What is a High Current Battery Charger Circuit: A […]
Simple Infrared (IR) Remote Control Circuit
The article teaches how to build a circuit that can control fans, TVs and lights with any remote control. An old remote control that is lying around the house can also be used. This is a fun do-it-yourself project that makes this electronics hobby much simpler. What is a Infrared IR Remote Control Circuit: An […]
Adjustable DC Motor Speed Controller Circuit with Reverse Forward Facility
The construction of a circuit for controlling a DC motors speed and direction is discussed in this article. A common chip known as the IC 555 and an special switch are used. One may change the speed by adjusting the amount of power that is sent to the motor PWM using a knob. And can […]
Simple Non Contact AC Mains Voltage Detector Circuit
Electricity powers almost the whole world but it can also be dangerous. This article explains how to build a handy tool that can detect live wires without touching them. This is a great safety tool for people who work around electricity but also for anyone who wants to be careful at home. WARNING: Even with […]
Simple 4 LEDs Water Level Indicator Circuit
Water conservation is a priority and technology like electronic can help. This article teaches how to construct a simple circuit for a water level indicator. It is far less expensive than purchasing one from a store and by using common parts. This circuit shows the water level remaining in a tank or barrel using LEDs. […]