Design

Passive NFC temperature patch reference design

15th January 2019
Alex Lynn
0

TIDA-00721 from Texas Instruments is a complete reference design for accurate temperature measurements using a passive NFC tag in a flexible patch form factor. The system offers temperature readings from tag to a NFC receiver such as a NFC enabled smartphone. 

The high accuracy temperature sensor (LMT70) is interfaced with an ADC (ADS1113) and the temperature data is sent to the reader with the NFC transponder (RF430CL330H).

Features

  • Human skin temperature sensing patch design.
  • Temperature data transfer with NFC interface.
  • Integrated PCB antenna.
  • Probe contacts for programming or troubleshooting.

To learn more, click here.

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