This Arduino based little digital tachometer was originally created for counting the speed of turntables and fidget spinners. There is another application to consider – a rear wheel tachometer for ...

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The device also features an OLED screen and a fine-tuning potentiometer all within its own self-contained, 3D-printed case and is powered by a 9 V battery, and can measure up to 10,000 RPM.

After waiting almost a month, I opened up the OLED and went right to testing it out. The link in the description pointed me to this website, which is a tutorial from Adafruit. Apparently, Adafruit ...

The tiny Pixel 2.0 is basically an Arduino board wedded to a tiny 1.5" 128x128 color OLED screen. This means you can stick it inside a wearable and ...

Arduino is little open source circuit board that lets you create some fairly compelling projects with a few lines of code and some circuit boards. The ...