A group of Dutch researchers have created an interesting sensor solution that needs no battery for power. The tiny sensor is two square millimeters and is a wireless temperature sensor.

The Pyros-3GT2-DWB from Farsens S.L., San Sebastián, Spain, is a battery free RFID sensor tag capable of transmitting a unique identifier and the associated temperature measurement data to a ...

LTC2991 (Digital On-Board Temperature Monitoring) The LTC2991 is an octal voltage, current, and temperature sensor. This device is used to monitor the battery module’s temperature from various digital ...

The wireless cooking temperature sensor device “NICK” using all-solid-state batteries (left), and the Maxell’s all-solid-state battery “PSB401010H” mounted on the circuit board (enlarged ...

With its radio receiver and radio transmitter consuming just 0.85 mA and 2.1 mA, respectively, the GTI-ATM3330e Bluetooth module can extend battery life in a broad range of IoT applications. To assist ...

They've built an extra-small (2 square millimeters) wireless temperature sensor that gets its power from the radio waves that make up its wireless network.