The stock crank arms are carefully fitted with two pairs of tiny strain gauges. The gauges are wired ... crank data to a handlebar-mounted UI via WiFi with a pair of ESP8266 modules.

Wouldn’t it be great to use existing RF infrastructure to connect your wireless stuff? [Malte Pöggel] thinks so, and this LoRa rain gauge is the ... to add a barometric pressure and temperature ...

Stick-type pressure gauges resemble a ballpoint pen are simple and compact, and don't need batteries. Pressure is read off of a sliding scale proportional to the air pressure. Digital gauges have ...

Tire pressure gauge Ratings Prevent a blowout with the best tire pressure gauge. Accurate tire pressure gauges can help you stay safe and save on gas with proper tire pressure. View our ratings ...