The SMTAS04USB evaluation board can measure upto 4 x SMT172 temperature sensors with an accuracy of 0.1ºC in the temperature range of -10ºC to 100ºC with a resolution of 0.0015 C. Accuracy of 0.4ºC from -45ºC to -20ºC and from 100ºC to 135ºC. The board and sensors can be powered from the USB port or from an external DC power supply. The board uses an ARM Cortex-M3 STM32F103 to read the temperature sensors and output the measured values of the sensors PWM signal in HEX on the USB interface.

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