Electronics Projects on Breadboard

A collection of awesome, easy to make electronics projects on breadboard with detailed information along with circuit diagrams. You also get a bonus step by step video tutorial for every breadboard project showcased in this page. So without any delay, select a project and start building a circuit!.

As of now most of the projects listed under this page are made using 555 Timer IC and 4017 IC. Will add projects using other IC’s soon.

Why Choose Breadboard For Electronics Projects?

If you are thinking of experimenting with different electronics components and circuits, breadboard is the safe and easiest way to start. All you need are electronics components, breadboard, breadboard connectors, power supply, some of your time and lots of curiosity.

Unlike electronics projects created on PCB, if you make any mistake while experimenting different circuits on breadboard, you can easily undo them.

Electronics Projects On Breadboard Using 555 Timer IC

Touch On-Off Sensor Switch Circuit Using 555 Timer IC

A tutorial on how to make a Touch On and Touch Off sensor switch using 555 timer IC on a breadboard. This circuit uses two pairs of touch conductors to sense and register the touch.

Latching Touch Sensitive Alarm Circuit Using 555 Timer IC

A tutorial on how to make a touch sensor alarm circuit using 555 timer IC on a breadboard. It consists of a touch sensor (made up of conductive material like copper wire) which when touched by our skin or any object with electric charge, activates the buzzer alarm connected at the output of 555 timer IC.

Piezo Electric Knock On-Off Sensor Switch Circuit Using 555 Timer IC

A tutorial on how to make a Tap On Tap Off piezoelectric knock sensor circuit using 555 timer IC on a breadboard. This circuit toggles (flip-flops) the output each time we tap on the Piezo-Electric speaker.

Adjustable Auto On Off Delay Timer Circuit Using 555 IC

A tutorial on how to make an adjustable delay timer circuit using 555 IC that can automatically turn on/off any output after a fixed duration. This electronic timer circuit is helpful when you need to power On/Off any AC Appliances after a pre-defined duration.

Adjustable Flashing/Blinking LED Circuit using 555 Timer IC

A tutorial on how to make an Adjustable Flashing/Blinking LED circuit using 555 timer IC and a few other electronic components. This circuit toggles an LED or any output device ON and OFF at regular intervals of time.

Tick Tock Sound Generator Circuit using 555 Timer IC

A tutorial on how to make a ticking sound generator circuit using 555 timer IC. The sound feels similar to the one used when showing a ticking time bomb in movies. A reverb container can be added over the speaker to make it sound similar to the tick tock audio emanated from mechanical clocks.

Machine Gun Sound Generator Circuit Using 555 IC

A tutorial on how to make a Machine Gun Sound generator circuit using 555 timer IC and a few other electronics components. This circuit simulates sound similar to the audio emitted from continuous triggering of a machine gun.

Light Screamer Circuit Using LDR and 555 Timer IC

A tutorial on how to make a light screamer circuit using LDR (Light Dependent Resistor) and 555 timer IC. This circuit generates a screaming noise depending on the amount of light incident on the LDR/Photocell.

DIY Electric Piano Circuit using 555 timer IC

A tutorial on how to make an Electronic Piano circuit using 555 timer IC and a few other electronics components. This circuit consists of a number of push button switches (similar to different keys in a piano) which, when pressed, produce sounds with different tones via a speaker.

Wailing Siren Circuit Using 555 IC

A tutorial on how to make a wailing siren circuit using 555 timer IC on a breadboard. This circuit can be triggered by pressing a push button switch and it produces a tone with increasing intensity for as long as push button is pressed.

LED Dimmer and DC Motor Speed Controller Circuit Using PWM Technique

A tutorial on how to make a PWM (Pulse Width Modulated) controller circuit for controlling the speed of DC Motors and brightness of LED’s. This circuit uses 555 timer IC to generate continuous ON-OFF pulses which control the speed of DC motors or brightness of LED’s.

Servo Motor Controller and Tester Circuit Using 555 IC

A tutorial on how to make a servo motor controller & tester circuit using 555 timer IC and a few other components. This circuit allows us to manually drive/control any servo motor by pressing buttons or by turning knob of a potentiometer.

Police Lights Themed Flashing LED Circuit Using 555 IC

A tutorial on how to make a Police Lights themed LED Flashing/Blinking LED circuit using 555 timer IC and a few other electronics components. This circuits alternatively flashes between Red LED’s and Blue LED’s while blinking each of them individually similar to police strobe lights.

Police Siren Circuit Using 555 IC

A tutorial on how to make a police siren circuit using 555 timer IC and a few other electronics components. This circuit smoothly transitions the output sound between two different tones/frequencies, similar to the sound emitted from police cars.

Model Traffic Lights Circuit Using 555 IC

A tutorial on how to make a model traffic lights circuit using 2 555 timer IC’s and a few other electronics components. This circuit turns ON green LED, keeps it ON for some time, then turns ON yellow LED for a moment and finally turns ON red LED for almost the same duration as the green LED.

Light Sensor and Darkness Detector Circuit Using LDR + 555 IC

A tutorial on how to make a light sensor circuit plus darkness detector circuit using 555 timer IC and a few other electronics components. When this circuit is configured as a light sensor circuit, it turns ON the output whenever light around the LDR is more than a certain amount (threshold).

Fastest Finger First Circuit using 555 IC For Organizing Quizzes

A tutorial on how to make a fastest finger first circuit which can track the first person to press the trigger or Buzzer. This circuit consists of multiple replicas of a module, each of which can be assigned to a single quiz taker or a team.

Light Sensor Circuit Using LDR and 555 Timer IC with Adjustable sensitivity

In this tutorial we’ll learn how to make a light sensor circuit using LDR (Light Dependent Resistor), 555 timer IC and a few other electronics components. This circuit detects light incident on the LDR and turns on LED whenever the intensity of light is greater than a certain level.

DC Voltage Doubler Circuit Using 555 Timer IC

A tutorial on How to make a DC Voltage Doubler Circuit on breadboard using 555 Timer, Diodes & Capacitors. This circuit takes in a DC voltage anywhere between 5V to 15V and produces double the input voltage at the output.

Old Projects Migrated From elonics.in

Light Sensor and Darkness detector circuit using LDR and Transistor

A tutorial on How to make a Light Sensor / Darkness detector circuit on breadboard using LDR and a transistor. This circuit can be used to automatically control and turn on-off lights or any loads depending on the brightness of ambient light, by adding a relay at the output.

IR (InfraRed) proximity sensor / Obstacle detector circuit using LM358 opamp

A tutorial on How to make an InfraRed (IR) proximity sensor circuit along with detailed explanation on how the circuit works. The sensitivity or Range of detection can also be controlled by adjusting the potentiometer.

LED chaser circuit / Sequential LED flasher using 4017 IC and 555 timer

A tutorial on how to make an LED chaser lights (or) sequential LED flasher circuit on a breadboard using 555 timer + 4017 IC and a few other components. The LED’s chasing rate can be adjusted using a potentiometer in place of 47K resistor.

Simple Flashing LED Circuit using transistors

This project is on how to make a simple flashing/blinking LED circuit using transistors on a breadboard. watch the video for detailed step by step instructions on how to build this circuit. Changing the flashing rate is also possible by changing the value of capacitor used, which is shown later in the video.

Touch on Touch off switch using 555 timer IC

In this project we will make a Touch on Touch off switch circuit using 555 timer IC on a breadboard. This circuit has two pairs of touch conductors. Touching one of the conductor pairs turns on the LED and touching the other pair turns the LED off.

Dual LED Flasher Circuit using 555 Timer

This project is to flash/blink two LED’s alternatively at an interval of around 500ms. The circuit uses 555 timer IC along with a few other electronic components and is built on a breadboard. In this circuit, 555 timer IC is used in astable mode which makes the output to continuously fluctuate between high and low until you turn the power off.

InfraRed(IR) Remote Tester / IR receiver Circuit using TSOP1738

A simple InfraRed(IR) receiver circuit using TSOP1738 IC. Also known as remote tester, this circuit can turn on LED whenever any button on the remote control is pressed. The heart of this circuit is TSOP1738 which demodulates the signals received from the remote control and gives output in the form of active low.

Simple Touch Switch using transistors

This circuit turns on LED with the touch of your finger!. Many a times we need certain actions to be done with a touch instead of pressing a button. This simple circuit does that using minimal components.

Flashing/Blinking LED Circuit using 555 timer

A tutorial on how to make a flashing/blinking LED circuit on a breadboard. This circuit flashes LED at an interval of around 500ms using 555 timer IC and a few other electronics components. This is a beginner project and is intended to make you understand the basic principles and working of the 555 timer IC.

Un-Classified

LED Roulette Circuit using 555 Timer & 4017 IC

A tutorial on how to make an LED roulette circuit using 555 timer & 4017 IC on a breadboard. This circuit replicates the functioning of circular roulette wheel. Circuit diagram, detailed steps to build this circuit and an explanation of its working is also included.