[TC] Ascent Engineering Mastermind Contest

Ascent is India's most widely circulated and read recruitment supplement. It is focused on Career Development, Human Resource Development, Employment and Job Opportunities. The supplement has 23 national editions, nearly 75 lakh+ readers, over 400+ companies advertising nearly 5000+ jobs every week. All the jobs published in the supplement are also posted online on www.itsmyascent.com. Ascent...

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[TC] DIY Auto-Balancing Surface using Servo Motors

Using a touch screen, these DIYers built an self balancing surface which automatically tilts itself based upon the position of any object placed upon it.  In the video demo, the surface automatically adjusts to the ball, keeping it directly the the center of the screen, reacting quickly when the object is manipulated. As you can see in the video, the screen outputs data...

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[TC] Receipt Printer With Raspberry-Pie

In the future, everything will be connected to the internet.  And all restaurants will be Taco Bell! The idea of pervasive connections between physical objects and the online world. These connected devices don’t just idly sit around waiting for commands or files. They’re active agents that anticipate your needs and can push  or pull data from the internet. Our Internet...

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Piccolo – The ‘Sketching’ Robot

Piccolo Piccolo can be said as the perfect companion for a graphic designer or an engineer as it helps him to sketch his creativity. Piccolo is a small pocket sized robot which uses servo mechanism for developing and deploying the accurate 2D or 3D output. Like all other robots, this one also works according to CNC technology. CNC is the acronym of Computer Numerical Control. Here the...

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Tutorial: Making Solar Cell Using 2N3055 Transistor

This video unveils the fact that a silicon diode is quite similar to a solar cell. To prove this, it takes apart a 2N3055 power transistor to produce 1.6 milliwatts. Watch the video for a great tutorial on creating a transistor solar cell. It's easy to cut open a power transistor like the 2N3055 to expose the NPN silicon material inside to make a solar cell. When exposed to sunlight,...

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[TC] Finally time for Smart Watches and Wearable Computing

Long ago, in a far off land some of us will remember where the days of a smart watch and wearable computing was a digital giant of a watch that incorporated functions such as a calculator and alarm in a device that obliterated much of your wrist but was a cool gadget to show off to your friends. Today’s smart watches may not at first glance be that different, yet despite being around for the...

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[TC] Test Mains Voltage Wireless

Description. This circuit can be used to test whether mains voltage is present or not without having electric contact with mains line. The CMOS IC CD4033 is the heart of this circuit. The CD4033 consists of a 5 stage decade Johnson counter and an output decoder for converting the Johnson code to a 7 segment decoded output for driving 7 segment LED display. A 10cm long insulated copper wire connected...

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