As if you already weren’t agonizing over whether or not you should build your own arcade ... When the Arduino code sees the button getting pressed, it brings the corresponding LED pin high ...

Created by the Lenka Design Workshop the 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 ...

The new UNO R4 board comes in two versions, with and without Wi-Fi connectivity, and maintains the form factor, shield compatibility and 5V power supply of the UNO R3 ... one Arduino with a button, ...

Software scalability is also supported on the new board, allowing easy upgrades for projects made with UNO R3 or Leonardo. Requests from the Arduino community ... 12x8 red LED matrix is ideal ...