mote
n.— «Wireless sensor networks consist of small devices that are called motes. Each mote contains a power supply, sensors, and a small computer. The power supply is typically a battery, which may also have a small solar panel for charging.» —“Sensing what’s going on around the farm is not far away” by Sam Bartels Waikato Times (New Zealand) Feb. 28, 2007. (source: Double-Tongued Dictionary)