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AN3857
Social Distancing with UHF and UWB Devices Application
Note
Introduction
This application note describes a Social Distancing (SD) application to measure and track distances between SD
devices (up to five) using Microchip's UHF and UWB technologies. These technologies offer low-power solutions for
longer battery life. The purpose of this application is to raise an alarm if the distance falls below a threshold value for
a predefined time.
Features
•ATA8510 UHF Transceiver for Communication to Other Devices at 433 MHz or 868 MHz
•ATA8350 Ultra-Wide-Band (UWB) Transceiver for Distance Measurement at 7 GHz
•AIS2DW12 Motion Sensor for Movement Detection
•ATtiny3217 Host MCU for Application Control
•Supports Tracking Up to Four Other Devices within 3m x 3m Area
•Generates an Alarm by LED Flashing and Buzzer when the Distance Between Two Devices is Less than 1.5m
or 2m for More than 5 Seconds
•Optional Saving of Contact IDs in Serial Flash Device (SST25PF040C)
•Operates with a LIR2540 or CR2540 Coin Cell Battery for More than a Week
•Optional USB Li-Ion Charger (MIC79110) for Li-Ion or Li-Po Accumulator with 3V Regulator (MIC5306) instead
of Coin Cell
MICROCHIP CONFIDENTIAL
FOR RELEASE ONLY UNDER NON-DISCLOSURE
AGREEMENT (NDA)
© 2021 Microchip Technology Inc. Application NoteDS00003857A-page 1
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | ATA8515 |
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