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IDC Ribbon Cable Tester circuit
The ribbon cable tester is designed to check IDC (Insulation Displacement Connection) Â ribbon cables quickly for shorts to adjacent pins or opens from one end to the other. Originally, I designed this...
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Water level indicator Circuit
Wastage of water is really an issue in places where they use overhead tanks. Monitoring of water level is really a difficult task in those places and it could also lead to wastage of water and power....
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Simple FM bug circuit using Transistor
FM bugs are cool things and we might have seen many of them used in Movies. But we can actually make one fun FM bug using small number of components without spending much money. FM bug circuits should...
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DIY 30 Watt Stereo Amplifier Circuit
The Stereo Amplifiers are quite handy in places where we need to amplify the input signals to make it audible for all. Weather it was a party or a simple meeting, this thing will do a perfect job in...
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Universal Liquid level indicator circuit using pressure sensor
Liquid level indicator circuits are highly useful to monitor the level of liquids present in a tanks where access to the tanks are difficult. This circuit uses pressure sensor to sense the level of...
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Vertical Image flip using CSS and HTML
Image flipping hover effects can be very useful where we need to display dual images about a specific theme or product in a single spot. This effect can be implemented very easily using simple CSS and...
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Christmas Tree lighting circuit
Christmas is just around the corner and its time to decorate our home with attractive lighting and other stuffs. The above given electronic design may help you to make a personalized Christmas tree...
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Transmitting and receiving data using UART in PIC Microcontroller
UART or serial communication is one of the important protocol used by the Microcontrollers to transmit and receive data from the external devices. Almost every controller is equipped with this protocol...
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SPI (Serial Peripheral Interface) tutorial in ARM7 Microcontroller
SPI ( Synchronous Peripheral Interface) is one of the important protocols used in Microcontrollers to establish serial communication between two devices. This protocol was widely used in many devices...
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Simple Voting Machine using 8051 Microcontroller
Voting or polling machines is one of the finest example for the application of a Microcontroller. This project brings you the design and programming of building a very simple, cost effective polling...
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How to program I2C protocol in ARM Microcontroller
I2C (Inter Integrated Circuit) also known as TWI (Two wire Interface) is a bus interface connection that is used in many devices such as Sensors, RTC and EEPROM. Unlike SPI this protocol only uses two...
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Clap activated light circuit
Clap activated circuits are something which is used to activate or turn on by means of a simple clap. You might have seen some of this before but building one could be really fun. This clap activated...
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Ultrasonic transmitter circuit using IC 555
Ultrasonic waves are defined as the sound waves whose frequency is greater than 20Khz and it is not audible to the normal human ears. This ultrasonic possess wide variety of applications from...
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Ultrasonic receiver circuit using Opamp LM324
Ultrasonic sound waves are high frequency waves which is inaudible to human ear. It also had hell lot of applications in this world like range detection,machinery flaw detection etc. This circuit...
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Interfacing Bluetooth module HC05 with 8051 Microcontroller
Bluetooth technology creates a big evolution in way the devices communicate with each other. So it is important to learn interfacing Bluetooth with our MCU's to build extended system also it offers...
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How to build a multiple effect lighting circuit
LED lighting have a great demand since it consumes less power also have a increased life time. Also LED allows us to create beautiful lighting than the normal ones. Here is a similar lighting circuit...
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Code lock circuit using dual flip flop IC CD4013
Electronic Locks are highly useful to protect our possession and it was widely used in all places. The demand for Electronic locks is high since it offer high security and easy to handle rather than...
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4 Bit LCD interface and programming with PIC Microcontroller
LCD displays operate in two modes 4 bit and 8 bit mode. We all might have been familiar with 8 bit mode which is used widely in several systems. But 4 bit mode is something which many of us is not...
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60W simple inverter using Transistors
Inverters are handy piece of equipment we could use whenever we face a power shut down or in a place where wiring is not possible. There are many types of inverters available in market from cheap one...
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Vertical Flip with Caption display using CSS and HTML
Captions play a significant role in almost all the pictures in a website. So it is important to add one to our images and will be even cooler if we add it along with a hover effect. This article will...
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Musical Greeting Card circuit using UM66 IC
Musical greeting cards quite are popular during special occasions all around the world and we all would have presented this thing to our dear ones. But ever tried making one by your own if not, its...
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Creating Pac man custom pattern and animation in LCD display
LCD modules are widely used to display calculated data's, user references and much more. In addition all character based LCD which uses HD44780 controller consists of a special RAM known as CGRAM which...
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Analog to Digital converter circuit using ADC0808
The Analog to digital converters are very useful in a digital system where the conversion of raw analog signal to digital data bits possess a notable significance. ADC's are also quite familiar in...
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Electronic Dice Circuit using IC CD4017
Dice are very well known in all parts of the world as there are plenty of games played using it. The purpose of dice is to pick a number randomly and play game proceed based on the picked number. But...
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Random Number generator using 8051 Microcontroller
Random Number generators are something which is used to draw out a random number and use it for a specified purpose. The purpose may differ it might be lottery draw , competition or whatever it may be...
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