TPA81-Thermopile-Array-Sensor-Devantech-TPA81-This-innovative-sensor-can-detect-infrared-radiation-in-the-2-micro-m-to-22-micro-m-range-the-range-of-radiant-heat-The-device-consists-of-a-PCB-on-which-is-an-array-of-eight-thermopiles-thermocouples-connected-in-series-together-with-a-silicon-lens-&-associated-electronics-The-sensor-can-simultaneously-measure-the-temperature-of-eight-adjacent-points-as-well-as-controlling-a-servo-When-used-in-a-relevant-robotic-application-servo-cont