Demand for simple smart thermostat platforms is being driven by the emergence of IOT-enabled HVAC systems. This system implements standard features found in most household thermostats while adding IoT capabilities for remote monitoring of the HVAC system and room conditions. These features have resulted in increased adoption in households and industrial spaces alike.

System Benefits:

  • RA2A2 with 7 sigma-delta ADC allows an energy measurement feature.
  • Dual bank Flash supports on-the-go software updates.
  • Certified ultra-low power Wi-Fi module for smart connectivity simplifies and accelerates the design and shortens time to market (TTM).
  • High-performance sensors detect various environmental data, and motion detection within a single system.




  • Smart HVAC Systems

Winning Combinations Interactive Diagram

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 AS065 AS065 AS065 Flyback Flyback Flyback LDO LDO LDO Temperature & Humidity Sensor Temperature & Humidity Sensor Temperature & Humidity Sensor Wi-Fi Wi-Fi Wi-Fi RS-485 Transceivers RS-485 Transceivers RS-485 Transceivers Motion Sensor Motion Sensor Motion Sensor LCD Display LCD Display LCD Display AC Current Sensor AC Current Sensor AC Current Sensor Battery Li-ion.154 Sheet.25 Sheet.26 Sheet.27 Sheet.28 Sheet.29 Sheet.30 Sheet.31 Ground (earth) Sheet.39 Sheet.40 Sheet.41 Sheet.42 AC Power Source Sheet.45 Alternating Current Sheet.47 Sheet.48 Sheet.50 Sheet.51 Sheet.52 Sheet.53 Sheet.54 Sheet.55 Connector 1.158 Connector 1.158.57 Sheet.58 Sheet.59 Phase Phase Phase Neutral Neutral Neutral AC Supply AC Supply AC Supply Sheet.63 12V 12V 12V Sheet.67 Sheet.68 Sheet.69 Sheet.70 Sheet.71 Connector 1.158.72 Sheet.73 Sheet.74 Connector 1.75 Sheet.76 Sheet.77 Sheet.78 3.3V 3.3V 3.3V Sheet.80 3.3V 3.3V 3.3V 2 2 2 2 Sheet.84 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 2 2 2 2 Sheet.89 2 2 2 2 Sheet.92 Vertical Wire Bundle.93 2 2 2 Sheet.95 Sheet.96 RS485 RS-485 RS-485 Sheet.98 Phase Phase Phase Neutral Neutral Neutral MCU MCU MCU MCU 24bit DSAD 24bit DSAD 24bit DSAD VDD VDD VDD I2C I2C I2C UART UART UART UART UART UART I2C I2C I2C LCDC LCDC LCDC RTC RTC RTC
Exiting Interactive Block Diagram