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Home Appliance

Connected Home Console

Gone are the days of the simple mercury-based dial thermostat. As the Internet of Things (IoT) continues to evolve it is likely that the thermostat will play a central role in managing appliances and sensors throughout the home. For example, multiple sensors could be placed throughout the home to monitor temperature, humidity, motion, water and smoke. Having a dedicated interface for all of these sensors becomes requisite. The Microchip Connected Home Console can serve as a starting point for your smart thermostat or home automation control center design.

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The WQVGA display is being driven by the PIC24FJ256DA210 that includes three hardware graphics acceleration units and can drive resolutions up to 640 × 480 with 16 bits of color depth. The AR10120 controls the touchscreen allowing direct user input in a variety of functional modes. With 32 Mbit serial Flash and 256 Kb EEPROM the design has plenty of memory to store images and any required configuration data. The MCP9808 temperature sensor is accurate to ±0.25°C over a range of −40°C to +125°C. The MCP79410 provides Real-Time Clock/Calendar (RTCC) with battery switchover for backup power. The MRF24WB0MA is an agency certified (e.g. FCC) Wi-Fi® module that has an integrated antenna, matching circuitry, and supports Wi-Fi with the free TCP/IP protocol stack.

For information on the Connected Home Concentrator, please email appliance@microchip.com .

Getting Started

Microchip Products

  • PIC24FJ256DA210 16-bit MCU with graphics
  • AR1020 touch screen controller
  • SST25VF032B 32 Mbit Serial Flash
  • 24AA256 EEPROM 256 Kb
  • MRF24WB0MA agency-certified Wi-Fi module
  • MCP16301 step-down DC-DC converter
  • MCP9808 temperature sensor
  • MCP79410 RTCC, EEPROM, SRAM

Key Features

  • Wireless thermostat functionality
  • 16-bit MCU with integrated graphics
    • Internal 96 Kb RAM frame buffer
    • 3 hardware graphics accelerator units
    • 256-entry color lookup table (CLUT)
    • Interface to monochrome, C-STN, TFT, or OLED
    • Resolutions up to 640 × 480 @ 16 bpp
    • USB v2.0 On-the-go compliant
  • WQVGA touchscreen display
    • 480 × 272 resolution
    • 16-bit per pixel graphics
  • Home area network display
    • Wireless temperature sensors
    • Wireless energy monitors
    • Other wireless appliances and sensors
  • Bonjour network discovery

Available Reference Material

  • Circuit schematics
  • Gerber files (board layout)
  • Bill of materials
  • Software

 

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