[TC] Arduino Based Sunrise Alarm Clock

So We Want To Make Sunrise Alarm Clock Based On Arduino Board Part List: Arduino Real Time Clock Module (http://www.sparkfun.com/products/99) 24xAssorted LEDs (In my case: 3UV, 2 Blue, 4 Red, 3 Yellow, 12 White) 24xResistors, 220ohm Solderless Breadboard Assorted wires 3x74HC595 shift registers A Shadow Display Box Frosting Spray To put this thing together I used Elco's ShiftPWM...

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[TC] World’s smallest Bluetooth location ‘stickers’

World’s smallest Bluetooth location ‘stickers’ using Nordic Semiconductor SoCs Nordic Semiconductor announced earlier that its SoC series nRF51822 has been specified into the world’s smallest Bluetooth low energy coin-sized location stickers, ‘StickNFind’ by Stick-N-Find Technologies. Using a free smartphone app, users can locate their stickers using a ‘radar screen’, set distance alerts...

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MultiPurpose Robot For Shopping Mall

I Have My BE Final Year Project In Electronics and Telecommunications Engineering Named "MultiPurpose Robot For Shopping Mall" Which Includes "Camera For Video Surveillance + Fire FIghting + Robotic Arm For Pick And Place Purpose + Floor Cleaning"  I Have Included Blackbook Copy.... Shopping Mall Robot Copyrights : Todayscircuits.blogspot.com...

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[TC] 20 Arduino projects of 2012

While looking for ideas for new some new project I noticed there aren’t many lists of Arduino projects online so I decided to make one and in the last few days I’ve been carefully digging Reddit (r/Arduino) and the Arduino forum until I ended up with a list of 20 Arduino projects. All the projects in this list follow two simple criteria: They’ve been published/released in 2012. They provide...

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How to build Digital Electronic Lock

Circuit Description The digital lock shown below uses 4 common logic ICs to allow controlling a relay by entering a 4 digit number on a keypad. The first 4 outputs from the CD4017 decade counter (pins 3,2,4,7) are gated together with 4 digits from a keypad so that as the keys are depressed in the correct order, the counter will advance. As each correct key is pressed, a low level appears at...

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Augmented Reality in a Contact Lens

Image: Raygun Studio The human eye is a perceptual powerhouse. It can see millions of colors, adjust easily to shifting light conditions, and transmit information to the brain at a rate exceeding that of a high-speed Internet connection. But why stop there? In the Terminator movies, Arnold Schwarzenegger’s character sees the world with data superimposed on his visual field—virtual captions...

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