Bicycle Tail & Stand light

If you are an active cyclist you must become more aware of safety and in particular your visibility to other riders, especially in winter and monsoon seasons. One drawback of your (pleasantly cheap) dynamo lighting […]

Little Audio Amplifier LM386

Here’s a little audio amplifier project you can build from inexpensive and easily available parts. You can use this monaural audio amplifier even in any robotic project where you need to amplify audio signals. The […]

Solar/USB Li-ion Battery Charger

Lithium-ion (Li-ion) battery have cemented its position as the primary power source for portable electronics. One of the key benefits of a lithium-ion battery is that it have high energy density without being too bulky. […]

Types of Capacitor and their Applications

Most modern electronic circuits and devices consist of different types of capacitors. Electronic newbies, experienced engineers find that these components are quite interesting due to their applications. In radio technology, Capacitors can be categorised into […]

Resistors in Series Connection

When a number of resistors are connected in such a way that the end of first resistor is connected to beginning of second resistor and the end of second one to third resistor and so […]

Introduction to Capacitor

The capacitor is the basic electronic component that is used for storing, surge suppression and filtering. It is a widely used and important component in the family of electronics. Like resistor, capacitors are passive components […]

Universal 1W LED Standby Light

Circuit of the Universal 1W standby LED Light introduced here is more self-contained and more flexible than many of the early designs. The circuit consists of a small Lithium-Ion (Li-Ion) battery, simple Li-Ion battery charger, […]