After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

The New York Times' Connections puzzle has become a daily favorite among puzzle enthusiasts, offering a unique blend of logic, word association, and critical thinking. The game challenges players ...

Looking for a hint for today’s Connections puzzle? Below, we have clues to help you unlock whichever category has you stumped for the puzzle on June 29, 2025. Connections first launched on the ...

Hi! I’m Varsha Verma, a pre-final year B.Tech student in Electronics and Communication Engineering @ NIT Durgapur. I’m passionate about exploring both hardware and software domains and love building ...

A calculator project using the PIC16F877A microcontroller, 4x4 matrix keypad for input, and 16x2 LCD display for output. Designed using MPLAB X IDE and simulated in Proteus. Performs basic arithmetic ...