Contact Sensor Reference Design


The Contact Sensor Reference Design kit provides all the tools needed to develop a final product. The contact sensor can be seamlessly integrated into a larger zigbee home automation setup. This is a low-cost, small form factor design with the EM3587 integrated System-on-Chip (SoC) with an ARM® Cortex®-M3 MCU and a 802.15.4 radio, which is Thread upgradable. The low-power hardware and software of this reference design allows for up to 5 years of operation on a single CR2032 coin-cell battery. There is also an onboard Si7053 temperature sensor with thermistor footprint option to provide ambient temperature feedback.

With this kit you also get Silicon Labs’ software with example applications, documentation and other resources to get started with your own development.

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Hardware and Software Features

Reference Design Kit Contents:

  • Contact Sensor
  • Magnet
  • Quick Start Card

Reference Design Kit Features:

  • Form C reed switch (Form A and SOT-23 footprint options)
  • Si7053 I2C temperature sensor
  • Status LED
  • 10-pin ISA3 compatible connector
  • User button
  • Test points
  • CR2032 battery holder

Software Features:

  • zigbee HA 1.2 pre-certified
  • Firmware pre-programmed
  • Over-the-air (OTA) firmware update capability
  • Interoperable with other gateways
  • Thread upgradable

Embedded World 2017 Video

Connected Home Mesh Networking Demo

Get Started with Contact Sensor Reference Design

Access software and development resources

Reference Design Training Center

Contact Sensor User Guide

Get started with the door/window contact sensor

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Contact Sensor Training Video

Learn how to setup and use the reference designs

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White Paper: Battery Size Matters

Learn how to balance the tradeoffs of battery and size in IoT applications

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Reference Design Software

Contact Sensor Hardware Design Files

Schematics, BOM, and gerber files

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