Category Archives: Micro & Hardware

Microcontrollers, electronics, etc.

How to Access a Local Node Server Using Websockets

Notes for enabling an AngularJS application to communicate with local hardware through a bit of Node.js glue. Continue reading

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Zener Diode Shunt Regulator

Link to an article on using a zener diode as a voltage regulator. Continue reading

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Atmel ATmega Fuse Calculator

Link to a site with a nice Atmel AVR fuse calculator. Continue reading

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5V to 3.3V Logic Level Shifting Stragety Notes

Notes on 5V to 3.3V level shifting techniques. Continue reading

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Installing Rigol DS 1052E Ultrascope Software on Windows 7

Brief notes on getting Windows 7 to talk to a Rigol DS 1052E oscilloscope. Continue reading

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Component Testing with an Oscilloscope

A nice short video introducing component testing with an oscilloscope (an “octopus”). Like this:Like Loading…

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Effects of Varying I²C Pull-Up Resistors

A link to an article entitled Effects of Varying I²C Pull-Up Resistors, which includes the Arduino internal pull-up resistors. Continue reading

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