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Anantha Narayan
The Electronics Engineer
The Electronics Engineer
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Raspberry Pi BitScope

A fully integrated Test bench based on Virtual Instruments - mixed signal oscilloscope, logic analyzer, spectrum analyzer and waveform generator using BitScope connected via USB or Ethernet to the now very popular Raspberry Pi.

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ICL7135 to Printer port Interface - del20002

A PC based Analog Voltmeter. The Printer Port or Parallel Port Interface is used to acquire high resolution analog data using ICL7135.

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Milli Volt Source for Printer Port - del20004

This circuit uses a R-2R Ladder Resistor Network to convert digital data from PC Printer Port to Analog. This can be used as a Millivolt Source or Programmable Power Supply.

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Home Made Circuits

These are circuits that you can build at home, which may help solve some small problems by building simple gadgets. That also will help you learn and improve your skills and knowledge.

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OscilloScopes for the DIY Enthusiast

Here are some Hobby Scopes that might even be quite professional if you develop them further. They are virtual instruments. Making Scopes with tablets may be much more easy now.

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Dallas Personal Robotics Group - DPRG

Articles, Photo Gallery, Projects, RoboLinks, Tutorials, Here you can share and exchange solutions and ideas about the exquisite art of Robot Design and Building.

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Simple Printer Port Interface, Input-Output - del20005

Printer Port Circuit to see the inputs logic state and drive a few outputs. The preset control program helps test out the circuit operation. Use safe 5V Levels.

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Ultra-Mobile PC - UMPC

The term Ultra-Mobile PC (abbreviated UMPC), or Project Origami, is a specification for a small form factor tablet PC. Project Origami Ultra-Mobile PCs have a 20 cm (8-inch) or smaller touch sensitive screen at a minimum resolution of 800 × 480.

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VU Meter Circuits and Projects

Here is a collection of web pages of VU Meter projects that helps a newbie getting into the Electronics DIY Hobby Land.
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