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Recent Articles

  1. Hitachi HD44780: A very Useful Guide to using 1602 LCD displays.

    Jun 17, 17 07:56 AM

    Use an Hitachi HD44780 as a simple display for any project.

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  2. Easily make an IR Pulse Rate Sensor with one opamp, an Arduino, and a matched Infrared phototransistor and LED pair.

    May 11, 17 01:38 AM

    How to make a Pulse Rate Sensor using a simple single opamp circuit with an Arduino and a few other components.

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  3. 74HC595

    May 11, 17 01:38 AM

    74HC595 : How to add nearly unlimited outputs to any microcontoller.

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