This is a simple work to get started with arduino programming. It's an online calculator that makes operation between operand, using a keypad (4*4) and an lcd1602.

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and ...

The background project for this code could be a simple calculator using an Arduino 3.2" TFT LCD Touch Screen. The touch screen would have buttons that perform basic arithmetic operations such as ...

So that may explain Wokwi ‘s popularity and it looks like a great platform for education with support for several Arduino boards (Uno, Mega, Nano), the Raspberry Pi Pico, and a generic ESP32 board ...