The 4×4 keypad connects to the Arduino’s digital pins, with rows attached to pins D9, D8, D7, and D6, and columns to pins D5, D4, D3, and D2. A push button is wired to ground and connected to pin D10 ...

DEAR ABBY: I have a roommate, "Don," I have lived with for 11 years. At first, we were dating, but we broke up, and Don moved out for a year.

Longtime roommate knows what buttons to push. Published: June 2, 2025. DEAR ABBY: I have a roommate, “Don,” I have lived with for 11 years. At first, we were dating, but we broke up and Don moved out ...

Researchers at the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bengaluru, have developed and tested a sodium-ion-powered battery capable of hitting 80% charge in a mere 6 ...