A well-chosen triathlon watch can revolutionise your performance, making you train stronger, smarter and faster. But which ...

I tested six popular thermometers and compared their ease of use, reading speed and design, and found two models I’d recommend to anyone for at-home use.

Operating voltage: 3.3V .. 4.5V max Low current by power down: max 1uA I2C bus interface: max 400kHz Ambience light: ...