There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their front panel. Some even featured an LED display that would indicate … ...

DIY Arduino 4 Button ... case has been created using a 32×32 LEGO baseplate finished with a clear acrylic cover to house the four large arcade buttons and Arduino board, LED ... The kids grow up ...

You can’t screw up Arduino’s new DIY ... microcomputer featuring Bluetooth and its own built-in 12 x 8 LED matrix ... a thermometer and humidity sensor, and a set of three buttons.