NYC beaches are where tropical beaches addicted to meth go to die. So says [Vije Miller] in his write-up for his Arduino sand matrix printer. It’s a clever idea, five servo-operated cardboard plungers ...

Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

The team behind the Clicks Keyboard accessory has announced its first smartphone, the Clicks Communicator. This Android phone has an integrated physical keypad, along with enthusiast extras like a ...

Tested and works great with the Adafruit INA237 and INA238 Breakout Boards. These chips use I2C to communicate, 2 pins are required to interface. Adafruit invests time and resources providing this ...

This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...