➀ The reference design TIDA-00824 by Texas Instruments addresses key challenges in wearable temperature measurement, including thermal contact, signal integrity, and compact design.
➁ It uses dual LMT70 analog sensors for skin/ambient temperature detection with ±0.1°C accuracy, paired with a 16-bit ADC and microcontroller for data processing.
➂ Features optimized thermal management with micro-PCB designs, low-power consumption (13μA), and supports firmware updates via SPI for diverse wearable applications.