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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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