This calculator uses a full 16 button matrix keypad. The Arduino deciphers button pushes ... Selecting the function is a little different from normal since this project is limited to 16 buttons.

But not so if you’ve got this beautiful custom RPN calculator in a wooden case ... Next up, a custom PCB to connect the keypad to an Arduino and a 20×4 LCD display was milled up, while a ...

Featuring an Arduino Nano microcontroller ... So I made it by my own. – This calculator also has trigonometric, logarithmic and exponential functions. It is hidden but appears on the LCD as ...

Guide you through Arduino robot projects features and functions, providing you with an overview of how to remote control your robot, avoid obstacles, follow lines as well as add images and sounds ...

This is the SB116, an 8-bit programmer’s calculator powered by an Arduino Nano. It features a 128 x 64 pixel monochrome OLED display and can be powered by either a USB port or three AAA batteries.