A global energy company is testing a newly released passive sensor tag that measures temperature levels—and, in one version, mechanical strain—then transmits that data to nearby readers via UHF RFID.
A flexible foam sensor built from silver selenide detects temperature and pressure simultaneously, enabling a robotic gripper ...
Cloud technology and semiconductor company Wiliot has released a battery-free Bluetooth Low Energy (BLE) sensor tag that detects data such as temperature and usage, then forwards that information to a ...
Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...
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