Find out what today's Connections answer is for game #769 and get some hints for it. You might need them! Plus see the solutions to yesterday's game.

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.

Prefer your Arduino connections wireless? Check out this smartphone-controlled periodic table of elements, or this wireless robotic hand.

Access to reliable, affordable, and sustainable energy is critical for powering economies, delivering essential services, and spurring job creation for Africa’s growing population. With nearly 600 ...