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Eric Brown for LinuxGizmos.com: Silicon Labs unveiled reference designs for home automation and lighting networks, based on its ZigBee SoC and middleware plus a Raspberry Pi-based gateway.
Silicon Labs, which bills itself as the ZigBee market share leader, has integrated its ZigBee “Golden Unit” Home Automation (HA 1.2) software stack, “EM358x” ZigBee mesh networking SoC, and various ZigBee sensor and lighting technologies in several reference designs for home automation. The Dimmable Light Switch, Connected Lighting, Door/Window Contact Sensor reference designs work with a WiFi and Ethernet ready ZigBee Gateway Reference Design that runs Linux on a Raspberry Pi 2 Model B SBC.
The “cost-effective” ZigBee reference designs are intended to reduce the complexity of connecting ZigBee devices, such as lights, dimmer switches, and door/window contact sensors. The Golden Unit ZigBee middleware, which connects all these gateways, enables LED lights to reliably join, interoperate, and detach from a mesh network, says Silicon Labs. The Golden Unit stack can scale from a few light nodes to hundreds on the same network, says Silicon Labs. Complete schematics, layout, and bill of materials (BOM) are offered for all reference designs. Cont'd...