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Using Switch with Raspberry Pi – Python

Contents 1 Raspberry Pi GPIO Pin Out 2 Pull Up and Pull Down 2.0.1 Pull Down 2.0.2 Pull Up 3 Circuit Diagram 4 Python Programming I hope that you already go through our tutorial, LED Blinking using Raspberry Pi. Detecting switch status is one of the basic step in learning Raspberry Pi GPIO operations. Here we using Python programming language. I hope that you …

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Talking to a ZWave Switch using open-zwave

Z-Wave is a wireless communications protocol designed for home automation, specifically to remotely control applications in residential and light commercial environments. The technology uses a low-power RF radio embedded or retrofitted into electronics devices and systems, such as lighting, home access control, entertainment systems and household appliances. The are many devices that have these RF …

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Switch through custom data with 16×2 LCD screen and Raspberry Pi

Introduction After starting my circuit testing with some LEDs and switches I moved up to a small 16×2 LCD screen (HD44780 controller) with the Raspberry Pi.  The configuration of the LCD pins and base code for output to the 16×2 LCD screen is taken from the excellent Raspberry Pi Spy website.  I’ve made a few modifications: …

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World’s first light-activated, molecule-sized switch gets turned on

In the pursuit of ever-shrinking circuitry for nanotechnology electronics, increasingly smaller devices and components are being developed. Now researchers at the University of Konstanz and the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Germany claim to have micro-miniaturized the humble electrical switch all the way down to molecule size and proven its operation for the very first time. …

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