Renesas Electronics Corporation
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In-Home Air Quality Monitoring System

Overview

This monitoring system utilizes an all-in-one air quality module to measure temperature, humidity, total volatile organic compound (TVOC) gases, and estimate carbon dioxide levels (eCO2) compliant with UBA standards. Additionally, the system controls motors through complementary PWM mode operations.

System Benefits:

  • Highly integrated and siloxane-resistant all-in-one air quality module
  • Simultaneous multi-sensor measurements of all relevant air quality parameters
  • Qualified according to JEITA ED-4701
  • Utilizes a fast prototyping board for easy customization and evaluation of in-home appliance applications
  • Home appliances
  • Air purifiers​
  • Air quality monitors​
  • HVAC
  • Industrial automation

Block Diagram

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Template 1 JP105 JP105 JP105 USB Plug Sheet.75 Sheet.76 Sheet.77 Sheet.78 Sheet.79 Air Quality Module All-in-One Air Quality Module All-in-One Air Quality Module LDO LDO LDO Inverter Inverter Inverter System Control System Control System Control Connector double arrow Connector Arrow Connector Arrow.90 Shunt Shunt Shunt Sheet.122 Sheet.120 Sheet.121 Switch Switch Switch Connector Arrow.149 Peripheral Peripheral Peripheral 3.3V 3.3V 3.3V Connector Arrow.152 Connector Arrow.154 5V 5V 5V Connector Line.158 BLDC Motor Sheet.160 Inductor Coreless (Air conductor).22 Sheet.162 Sheet.163 Sheet.164 Sheet.165 Sheet.166 Sheet.167 Sheet.168 Sheet.169 Sheet.170 Inductor Coreless (Air conductor).82 Sheet.172 Sheet.173 Sheet.174 Sheet.175 Sheet.176 Sheet.177 Sheet.178 Sheet.179 Sheet.180 Sheet.181 Sheet.182 Sheet.183 Inductor Coreless (Air conductor) Sheet.185 Sheet.186 Sheet.187 Sheet.188 Sheet.189 Sheet.190 Sheet.191 Sheet.192 Sheet.193 Sheet.194 Sheet.195 Sheet.196 Sheet.205 MCU.1 MCU MCU I2C I2C I2C PWM PWM PWM GPIO GPIO GPIO 10-bit ADC 10-bit ADC 10-bit ADC Bi-directional Shunt.211 Sheet.212 Sheet.213 Sheet.214 Ground Sheet.216 Sheet.217 Connector 1.160 Connector 1.160.219 Connector 1.160.220

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