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  • ZigBee interface for Smart Thermostat
  • ZigBee interface for Smart Thermostat

    Client : Leading Provider of HVAC and BMS Control System


    Client is building systems unit of a leading provider of heating, air conditioning and refrigeration systems, building controls & automation solutions.


    • Client wanted to develop a ZigBee enabled smart programmable thermostat as a part of its home area networking solution. The ZigBee interface is to enable client’s end customer i.e. utility firms to provide demand response solution by accessing real-time monitoring & historical data

    • Client was looking for an engineering partner, who could completely own the design, implementation & testing of ZigBee based interface for smart thermostat

    • Client selected Softdel as a partner considering its expertise and experience around advanced communication protocols, embedded product engineering


    Requirements Engineering

    • Understanding ZigBee protocol and related Smart Energy specifications

    Application Development

    • Design and implementation of ZigBee based applications on the embedded RTOS

    Communication Interface

    • Implementation of communication interface between host Renesas microcontroller & network co-processor chip using EZSP-SPI communication protocol

    Pre-certification Testing

    • Testing of thermostat and ZigBee interface to prepare for ZigBee certification

    Value Benefits

    • Rapid application/product development to allow customer providing smart grid connected product

    • Modular daughter card based solution to enable easy upgrades