Thermo-Powered Wireless Sensor System
May 2009
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Allegedly the world’s first thermo-powered wireless sensor system, the TE-Power NODE consists of a 60 × 27-mm-footprint aluminum base plate that carries up to two thermogenerators. The thermogenerators take a few degrees of temperature differential and harvest that thermal energy to power the wireless sensor node, enabling unlimited battery-free operation. An aluminum heat spreader is mounted on top of the thermogenerators and is stabilized and insulated by a PCB, which also holds the receptacles for various plug-on modules. The TE-Power NODE evaluation kit uses the ultra-low-power technology from Texas Instruments, supporting both IEEE 802.15.4–compliant and custom solutions. Micropelt,

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