Saturday, July 21, 2018

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...

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...

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...

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: ...

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...

RC module

Description: An RC circuit is used to introduce time delay in circuits. A combination of resistor and capacitor gives a time constant. The following circuit...

Basic remote tester

Description: This circuit can be used for testing your TV, DVD, VCD, etc. remote control. This is the fundamental module for making infrared based...

Counter module

MAKE A SIMPLE DIGITAL OBJECT COUNTER WITH THIS MODULE- CLICK HERE Description: It's a simple counter module. In the example, we have used 4026B and...

Dark sensor using transistor, phototransistor and photodiode

Description: This versatile dark sensor is made up of two transistors. It is a versatile module, because you can use it for testing several...

Multivibrator module

Description: A multivibrator has identical components(capacitors, transistors and resistors) arranged on the left and right hand sides that can be used to implement a variety...

Melody generator using UM66

Description: UM66 or BT66 is a musical IC. The following circuit generates a melody using UM66. This module can be used in a number of...

Toggle switch using 555

Description: The following circuit works as a toggle switch. The circuit has two stable states, ON and OFF. Once it is ON, it remains ON...

Up counter with multivibrator module

Description: You can make an up counter using a counter module and a multivibrator module. First make a simple multivibrator, then make a counter...

RC module and Infrared sensor

Description: You can test RC module with infrared sensor. You can make this project combining these two modules: a. Basic remote tester module. b. RC module ...

Astable mode of 555 timer

Description: Astable mode of 555 timer is used to generate pulses at regular interval. READ ABOUT ASTABLE MODE.  The following schematic has been taken from...

Experiments with LM358

Description: LM358 is also one of the types of operational amplifier. LM358 consists of two independent, high-gain, frequency-compensated operational amplifiers designed to operate from a...

Monostable module

Description: In the monostable mode, the 555 works as a "one-shot" pulse generator.  Other applications of monostable mode include timers, pulse-width modulation (PWM), missing pulse detection,...

Combine two dark sensors and make an easy clap switch

CHECK RECENTLY PUBLISHED "CLAP SWITCH WITH TOGGLE FEATURE".  It is always good to break a big project into small modules and test them separately. After...

4- in 1 DIY Kit- using components

HOW TO USE AN ELECTRET MIC Read about 4- in -1 DIY KIT: http://www.buildcircuit.com/4-in-1-diy-kit-dark-sensor-latch-circuit-astable-multivibrator-and-clap-switch/

Flasher circuit using NE555 timer- Basic electronic project

This flasher circuit is bit different from other flasher circuits published on buildcircuit.com.
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