Saturday, February 16, 2019

BuildCircuit’s breadboard power supply DIY kit

Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V...

Make a power supply using LM317

The LM317 is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37...

How to make one transistor FM transmitter on a stripboard- page 2/2

This is PAGE 2/2 of the article titled "How to make one transistor FM transmitter on a stripboard". Go to previous page. You can buy...

Protoboard for electronic projects

We make electronic projects for exhibitions, hobby and academic assignments and all the projects need a power supply. Most of the hobbyist projects operate...

Assembly tutorial- FM transmitter DIY kit

If you have to come to this page directly from a search site, please go to this article first. This is the second article...

Yet another simple amplifier for your Arduino and music projects

BuildCircuit has written few articles about audio amplifier and music modules. One of the most popular examples is "Audio amplifier using LM386". This article...

Connecting electrical appliance to DIY remote operated switch

This tutorial is related to my DIY remote operated switch kit. If you have come to this page from a search engine, please visit...

Powering up 3 digit object counter with USB cable

Step 1: In any USB cable(for example, the one you use for charging your phone), there are 4 wires. Step 2: Use your multimeter to find...

Remote operated switch DIY kit

Description: Here's a simple do-it-yourself (DIY) remote operated switch. You can use this simple kit to switch ON/OFF any appliances working on 220V AC. This...

Portfolio- Digital object counter

Originally Designed By: SAGAR SAPKOTA    (contact) A digital object counter can be used for counting objects. It can used for fun at home for...

Simplest DIY clap switch- Assembly tutorial

If you have come to this page from a search engine, please check this article to know about clap switch. Follow the given steps...

Assembly instructions for Infrared transmitter module

This article is about assembly of infrared transmitter used with digital object counter DIY kit. If you have come to this page directly from...

Digital object counter kit- Assembly tutorial

This article is about assembly of counter module used with digital object counter DIY kit. If you have come to this page directly from...

FM receiver kit and audio amplifier using LM386

This is one of the simplest ways of making an FM receiver. Just get a low cost FM receiver kit, make an audio amplifier...

Troubleshooting electronic projects

We all know that troubleshooting is a process of identifying and solving problems that cause a circuit to malfunction. This article is about troubleshooting...

4 in 1 DIY kit- dark sensor, latch circuit, astable multivibrator and clap switch

This is a simple 4-in-1 do-it-yourself (DIY) kit from BuildCircuit. The kit has four different circuits that can be switched on separately or together...

How to make a batteryless (crystal set) radio

CRYSTAL SET The simplest radio receiver, known as a Crystal Set, consists of nothing more than a coil, tuning capacitor, diode detector, and a pair of earphones. A...

My experiences- How to build a crystal radio

I recommend you to read and understand the basic theory of crystal radio published on this article: http://www.buildcircuit.com/how-to-make-a-batteryless-crystal-set-radio/ Making a batteryless/powerless radio is a great fun,...

Latch-up circuit using 555 and opto-coupler

Here's a simple latch-up circuit using 555 timer and opto-coupler MCT2E. You can also use PC817 in place of MCT2E.  The NE555 timer is...

Tips for Electronics beginners- ratings and working techniques

I usually get emails from electronics beginners with the following questions: Does this particular project work with 9V even if the schematic says 6V? ...
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