Circuits DIY – Page 72

How wonderful your day will be if you wake up from the superb melody of birds. Goodness dear! Getting up in the morning with the chirping an…

An FM transmitter circuit is a low-power radio transmitter that allows any device (such as an MP3 player or a smartphone) to broadcasts an a…

The tone control is a type of equalization used to make specific pitches or “frequencies” in an audio signal softer or louder. A tone contro…

Unlike AC motors, DC motors are very easy to use because their speed can be changed easily. So, how is this achieved in practice? As DC moto…

Traffic lights are also named stoplights, road traffic lamps, traffic signals, and stop-and-go lights. Which are signaling devices placed at…

LED knight rider circuits utilize on a car, bikes, bicycles, trucks, buses, and so on as they give eye-capturing impact to the viewers. It c…

Unlike AC motors, DC motors are very easy to use because their speed can be changed easily. So, how is this achieved in practice? As DC moto…

An IR audio transmitter & receiver is an electronic device that is used to send & receive audio signals wirelessly. Infrared data transmissi…

Introduction One problem that is always faced by circuit designers and especially by beginner students is the stress of different voltages a…

A doorbell with DC Backup Power is a doorbell circuit that is even operational when the main power of a home, office or any building is cut…

In this tutorial, we will demonstrate the easiest DIY project with a simple and economical design. An 11V power supply using LM7811 IC. A po…

Measuring battery life for a portable system is a time-consuming task, and the methods that accelerate battery discharge don't provide relia…

Introduction LED lights are widely utilized in electronic circuitry, mostly for indication purposes. But, many circuits are totally based on…

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