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TIDM-AIRQUALITYSENSOR

MSP430FR4133 Microcontroller Air Quality Sensor Reference Design

Design files

TIDM-AIRQUALITYSENSOR

Design files

Overview

In this reference design, a simple air quality monitor is created and implemented using the particulate matter 2.5 level. This design uses MSP430FR4133 microcontroller (MCU) and Sharp™ DN7C3CA006 PM2.5 sensor. This ultra-low-power centric design of the MSP430™ MCU coupled with DN7C3CA006's integrated analog works in tandem to capture air samples and calculate the air quality index (AQI). From periodic PM2.5 samples, the AQI is calculated and displayed using an 8-character, 14-segment LCD.

Features
  • Calculates PM2.5 concentration levels and AQI levels
  • Calculates temperature and humidity levels
  • Offers an 8-character, 14-segment LCD to display calculation results
  • Uses an ultra-low-power MSP430FR4133 MCU with an integrated LCD controller
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Schematic — TIDM-AIRQUALITYSENSOR
TIDRKQ7.PDF (382 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDM-AIRQUALITYSENSOR
TIDRKQ8.PDF (71 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download CAD/CAE symbol — TIDM-AIRQUALITYSENSOR
TIDRKR0.ZIP (128 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDM-AIRQUALITYSENSOR
TIDCBW9.ZIP (160 K)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDM-AIRQUALITYSENSOR
TIDRKQ9.ZIP (57 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430FR4133 — 16 MHz MCU with 16KB FRAM, 2KB SRAM, 10-bit ADC, LCD, UART/SPI/I2C, IR logic, timer

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS63031 — High Efficient Single Inductor Buck-Boost Converter with 1-A Switches

Data sheet: PDF | HTML
Humidity sensors

HDC1000 — Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS715 — 50mA 24V ultra-low-IQ low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML

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Software

Technical documentation

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Type Title Date
* User guide Air Quality Sensor Design Guide (Rev. A) Feb. 23, 2016
Technical article Trends in building automation: connected sensors in safety and security PDF | HTML Jul. 20, 2016

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