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Nordic Semiconductor design partner HooRii Technology has launched a Matter 1.3 certified module that enables smart smoke and carbon monoxide (CO) detectors to trigger audible alarms and send near real time notifications to connected devices within a Matter ecosystem in the event of an emergency. The ‘HooRii Smoke & CO Alarm’ module is designed for use by IoT device OEMs, and incorporates Nordic’s nRF52840 SoC. The multiprotocol SoC is suitable for developing products for a Matter connected home using Thread connectivity for transport and Bluetooth LE connectivity for commissioning new devices to a network.

“The HooRii Smoke & CO Alarm solution, with Matter 1.3 and Nordic technology, offers superior safety, integration and user experience for modern smart homes,” sayid Ethan Liu, CTO, HooRii Technology. “For manufacturers the module optimises design and development, and reduces time to market. For consumers it delivers enhanced safety, integration with their other smart home devices, as well as reliable connectivity and minimal maintenance.”

The module is provided in two versions, one with a built-in antenna (measuring 12 by 10 mm), the other with support for an external antenna (10 by 10 mm). Both versions integrate photoelectric sensors for smoke detection and electrochemical sensors for CO detection, with rapid data processing provided by the Nordic SoC’s 64 MHz Arm Cortex M4 processor. The processor is designed to support the Floating Point (FP) and Digital Signal Processing (DSP) computations typical of high-end wireless applications.

Fully automatic power management

In addition to the Arm processor and multiprotocol support, the nRF52840 SoC has been engineered to minimise power consumption with a fully-automatic power management system, configurable power modes and optimised wireless connectivity, that greatly extends the battery life of the HooRii Smoke & CO Alarm when idle. The module runs on the HooRiiOS operating system, which provides development-free Matter firmware, and employs HooRii Technology’s ‘HPLS’ (HooRii Production Line Service) technology that provides centralized online production management and quality testing for the mass production of Matter devices on production lines.

“HooRii Technology and Nordic have a strong partnership that together significantly improves the connectivity functionality and performance of smart smoke and CO detectors using this module,” continues Liu. “By integrating Nordic’s nRF52840 SoC, the module delivers reliable and stable connectivity, as well as ultra-low power, which is of course essential for any home smoke and CO detection device.

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