The regular Raspberry Pi line is a flexible single-board computer, but sometimes you might find yourself wishing for a form factor that was better designed for installation into a greater whole.

Our hacker [Avi Gupta] has sent in their submission for the One Hertz Challenge: the LoRaSense RGB Pi HAT. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi with 40-pin head… ...

A challenging week for the United States swimming team ended with one of the most electric races at the world championships. The U.S. women’s 4×100-meter medley relay team on Sunday let out all ...

American Katie Ledecky secured a seventh 800m freestyle world title in a thrilling race, the US set a world record in storming to 4x100m freestyle gold in the mixed relay, and China continued ...

SINGAPORE (AP) — The United States, which had a frustrating swim world championships, ended on a high note Sunday with a world record in the women’s 4×100 medley relay in the last event of ...

The United States women saved their best for last, setting a world record in the women's 4x100 medley relay in the final race of the 2025 world championships.

Singapore: Australia bombed out in the heats of the mixed 4x100m freestyle relay at the world swimming championships as the USA took their first relay gold of the meet.

A standard relay would only stay on while the button is pressed. An electronic toggle ratchet relay, however, would turn on with one press and stay on, then turn off with the next press. It converts ...