Saturday, February 16, 2019

Clap switch

Simplest and easiest way to make clap switch.

Super Easy Electronics Projects for Absolute Beginners

There are hundreds of electronics projects published on buildcircuit.com. This time we have selected few projects that should be easier for beginners to start...

Sensor Alarm using thyristor- Basic electronic project

This is a simple RC circuit using thyristor. You might have done similar projects using transistors. Let me provide you some of my previous...

Digital Object Counter using LDR and digital IC

555 timer configured in monostable mode is a simple automatic dark sensor circuit that gives output when light falling on LDR is blocked.

Experiments with 741- Operational amplifier

Description: This versatile 741 operational amplifier module can be used for making a dark detector using an LDR, a photo transistor and a photo...

Building a circuit on a breadboard

A breadboard is a device for testing temporary electronics projects. Components used to test a circuit can be reused for other projects. None of the components are damaged. Almost all people start to learn electronics using breadboard because it is the simplest way of making circuit. The photograph shows a typical small breadboard which is suitable for beginners building simple circuits with one or two ICs (chips).

Clap switch using 3 different modules

Description: In this clap switch we use three different modules given below. It is necessary to make these three modules in order to make...

Fully assembled clap switch for 100-220V AC light bulbs

This fully assembled sound/clap operated switch can be used for turning on your 100-240V AC light bulbs. Usually, we use a clap switch to...

3 digit – digital object counter DIY kit

Two digit - Digital object counter DIY kit is one of the most popular kits designed by BuildCircuit. The kit is very popular among...

Audio amplifier using LM386

Description: The LM386 is an audio amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count...

Digital object counter DIY kit

This kit is based on my previous tutorial on 'digital object counter'. I had published the tutorial under 'minibread' category. Please check the tutorial. ...

How to make an FM transmitter

After getting several comments from young electronic students , I am rewriting this article to make the FM transmitter making process more clear. This tutorial...

Voltage Divider Rule

A Voltage divider consists of two resistances R1 and R2 connected in series across a supply Voltage Vs. The supply Voltage is divided up between the two resistances to give an output Voltage Vo which is the Voltage across R2. This depends on the value of R2 relative to R1: If R2 is much smaller than R1, Vo is small (low, almost 0V) (because most of the Voltage is across R1) If R2 is about the same as R1, Vo is about half Vs (because the Voltage is shared about equally between R1 and R2) If R2 is much larger than R1, Vo is large (high, almost Vs) (because most of the Voltage is across R2)

CD4017 and NE555 timer experiments

You can build simple LED chaser circuits using CD4017 and NE555 timer. There are hundreds of projects in the internet for making such simple...

5 beginners projects that work in the first attempt

Just started electronics ? And you don't know any engineering behind your projects and you are afraid of failure ? Then, this article can...

Dark sensor on breadboard

The circuit is ready for testing. Connect battery terminals and see the output. As you block light falling on LDR(Light dependent resistor), the LED glows. OUTPUT: [youtube]http://www.youtube.com/watch?v=qmWAgoHwy3w[/youtube] THIS CIRCUIT IS EXTREMELY SENSITIVE TO DARKNESS. EXPERIMENT THE CIRCUIT IN A HIGHLY ILLUMINATED ROOM. LED GLOWS EVEN IN LESS DARKNESS. Use torch light if the LED glows in less darkness. You can adjust the sensitivity of the circuit using a variable resistor in place of R3-300Ohm. Try this circuit with other resistances as well, for example, 1K, 10K and 100K, etc.

FREE 555 timer simulators for electronics beginners

All of us know that NE555(or other versions) is a versatile IC for building big and small projects. Recently, I found some free simulators...

How to make a digital object counter using, infrared sensor, CD4026 and seven segment...

Description: This is a simple object counter circuit that counts from 0 to 9. You can make this project using four different modules listed below: ...

Multivibrator

A multivibrator is an electronic circuit used to implement a variety of simple two-state systems such as light emitting diodes, timers and flip-flops.

Infrared based music transmitter and receiver

NOTE: A similar kit is available at buildcircuit store. Please check the store. An infrared based music transmitter and receiver is made up of three...
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