Have anyone heard about MOSFETs? This little component is gaining popularity in electronics because it performs specific tasks better than older components. This article explains how to use a MOSFET to create a cool timer circuit. Due to MOSFETs outstanding results this timer can be very accurate and delay actions for quite a bit of […]
Simple Music Level LED Indicator Circuit
With the help of this tutorial one can construct an LED circuit that will light up repeatedly in response to changes in music volume. The circuit moves the lights in a wave like pattern in response to sudden changes in music loudness. The circuits operation and the components required for construction is explored in this […]
Simple LED Emergency Light Circuit
Without the need for a larger transformer, this article shows how to construct a simple LED emergency light. This makes the circuit design easy to build and less expensive. Known as an LED emergency light circuit this device uses LEDs to give light in the event of a power outage or emergency. Since LEDs are […]
Simple Automatic Bedroom Lamp Timer Circuit
Designing a lamp timer for the bedroom that shuts OFF on its own seems awesome but begin with safety. Do not touch it when it is plugged in because it draws a lot of electricity from the wall socket. The circuit itself is not that complicated. When a button is pressed a series of connected […]
How to Build a Simple Solar Cell Circuit using a 2N3055 Transistor
Do anyone wants to know how solar panels work? Building a small solar cell at home makes this possible. Those who enjoy electronics and are familiar with the well known transistor component will find this project enjoyable. Even though this model is simple and wont power a house but its an excellent way to learn how […]
Simple Continuity Tester Circuit
This tiny tester uses two transistors which resembles tiny switches to check the wires quality. We only need a battery and an LED light. While touching the battery with one tester and a wire with the other. If the wire is in good shape electrical current will flow and the light will illuminate. This indicates […]