It allows us to detect the presence and passage of an object thanks to the combination of a laser diode which emits a light ray and a phototransistor

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  It measures solar radiation and visualizes the corresponding value on the integrated display of a miniaturized Arduino, in order to tell us when to

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Reduce the cost of using an Arduino UNO by 50% or more by building your own device with comparable functionality.

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Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and humidity monitor and display.

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[Nicholas] built a simple NFC tag using an ATtiny84 microcontroller, four resistors, three capacitors, a diode, and an antenna. It implements ISO 14443-3, a standard for identification cards, an

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An old Episode I R2-D2 figure modded with a red LED powered by NFC only!

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What would I do without LEDs and hot glue? They are integral components to nine tenths of my projects. Well, while I was working on my first instructable I noticed that the LEDs I’d hot glued onto the wires kind of made the translucent glue glow a bit. I thought to myself, “What would happen if I put the glue on the focus end?” And so, this instructable was born. Usually when I’m diffusing a “Water Clear” LED I grab the sandpaper and go to town, but this works just as well if size isn’t a problem, and looks better in the end. ***UPDATE 5/3/10:  Hey, if you make your own Hot Glue diffused LED project and post some pictures in the comments section, I’ll give you a patch!***

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What happens when you take over 800 individually addressable super bright RGB LEDs and house them in a giant diffused panel? You get awesome. That’s what you get.

[Epoch Rises] is a smal

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In this week’s Teardown Tuesday, we tear down a PlayStation Move controller to see what ICs and parts make up current gaming technology.

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Blinky LED projects: we just can’t get enough of them. But anyone who’s stared a WS2812 straight in the face knows that the secret sauce that takes a good LED project and makes it great is th

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