Tuesday, March 5, 2024

Reference Design For An NFC Based Platform For Measuring Temperature And Light

By Sharad Bhowmick

The RF430FRL152H is a reference design that provides a platform to measure light and temperature using NFC Sensor Interface Transponder.

The RF430FRL152H reference design provides a flexible, cost-effective, and energy-efficient solution for measuring light and temperature using NFC (near-field communication) technology. Directly out of the box, thermistor and phototransistor measurements can be communicated to an NFC-enabled smartphone or other NFC/RFID Reader device.  This reference design can be operated with a battery for data logging into FRAM or without a battery utilizing energy harvested from the RF field.

The reference design is based on the NFC type 5 (ISO 15693) transponder platform. The Type 5 transponder operates in the ultra-high frequency (UHF) range, providing longer read ranges compared to other NFC technologies. The transponder is passive, meaning it does not have its own power source and instead relies on the reader to provide the necessary power for data transmission. The reference design operates with power from an RF field or 1.5V battery to enable sensor measurements. It has a 2kB user-programmable FRAM memory for data logging and/or application code. It also features the booster pack headers to interface additional sensors or MCU.

This reference design has been tested by TI. The company has also provided additional resources. You can find additional data about the reference design on the company’s website. To read more about this specific reference design click here.

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