library

PNG IMAGE DECODING LIBRARY DOES IT WITH MINIMAL RAM

Want to display a PNG file on a display attached to an Arduino or other microcontroller board? You’ll want to look at [Larry Bank]’s PNGdec, the Arduino-friendly PNG decoder library which makes it much easier to work with PNG files on your chosen microcontroller. The PNG image format supports useful features like lossless compression, and was generally …

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Controlling a Neopixel Led Ring With a Gesture Sensor

In this tutorial we’re going to play with a gesture sensor (APDS-9960) and a neopixel ring to learn how to combine them both using an Arduino UNO. The end product will respond to left – right gestures by animating led movement right or left, and to up-down gestures by changing leds color. In the next …

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Infinite Disco

In this project, I made an infinity mirror based on a dodecahedron that reacts to sound . Step 1: Materials Essential materials: Arduino Uno 3mm thick 100x50cm MDF 2mm thick 100x50cm plexiglass 3 meter WS2812B LEDstrip 60 LEDs/m Sound Detection Sensor Module 3-PIN Thin electric wire (10ish meter total) Breadboard Perfboard/stripboard Simple rectangular rocker switch …

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NEW ARDUINO JPEG LIBRARY FOCUSES ON SPEED

Working with graphics on microcontrollers has always meant focusing on making the most of limited resources. Particularly in the 8-bit era, all manner of tricks were used to get low-performance chips to achieve feats beyond their lowly station. However, these days, we’re blessed with 32-bit workhorses with clock speeds in the tens, or even hundreds, …

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The USB-C Explorer helps to get started with USB-C

I’ve been quiet for a while, mostly because I’ve been working on a new USB-C board. Actually, the board didn’t take the most time; that would be the firmware development. (Never underestimate firmware). The result is a cool piece of gear, a powerful development platform, and a stronger firmware library. The USB-C Explorer is a …

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Samtec releases over 100,000 new models on SnapEDA

Electronics designers can boost their productivity with free symbols & footprints for Samtec products Samtec is releasing new digital models for over 100,000 of its products on SnapEDA, the industry-leading circuit board design library. Traditionally, designers have spent days creating digital models – such as symbols and footprints – for each component in their designs. …

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