Mikroelektronika d.o.o.
Luftqualität 2 Click Board
Luftqualität 2 Click Board
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Overview
Das Air Quality 2 Click Board™ verfügt über den iAQ-Core-Sensor zur Raumluftqualität, der VOC-Werte misst und Vorhersagen für CO2- und TVOC-Äquivalente liefert.
Das Air Quality 2 Click Board™ ist für den Betrieb mit einer 3,3-V- oder 5-V-Stromversorgung ausgelegt. Es kommuniziert mit der Ziel-MCU über I2C.
The Air Quality 2 Click Board™ carries the iAQ-Core Indoor Air Quality sensor that measures VOC (volatile organic compounds) levels and provides CO2 equivalent and TVOC (total volatile organic compounds) equivalent predictions. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target MCU over I2C.
IAQ-CORE SENSOR
The sensor is protected by a plastic cap and a filter membrane. This membrane should not be removed or touched.
The sensing range for CO2 equivalents is from 450 to 2000 ppm (parts per million), and from 125 to 600 ppb (parts per billion) for TVOC equivalents.
KNOW EVERYTHING IN 5 MINUTES
It takes only 5 minutes for the first functional reading after start up time. After the sensor is powered on, you don't have to wait for it to calibrate. You'll have all the readings you need in less time than it takes to make a cup of coffee.
ABC - AUTOMATIC BASELINE CORRECTION
iAQ-Core sensor has Automatic Baseline Correction (ABC), which means that you don't need to make any further calibration. You'll be able to use it for many years in a normal indoor environment.
LOW POWER CONSUMPTION
With low power consumption (maximum of 9mW in pulsed mode and 66mW in continuous mode) Air quality 2 click is ideal for Smart Home applications and IoT projects and devices that require long battery life.
VOC OR VOLATILE ORGANIC COMPOUNDS
Volatile organic compounds or VOCs are organic chemicals. They have very high vapour pressure at room temperature, and some of them can be harmful to human health.
These chemicals are carbon-based (formaldehyde, toluene, benzene, etc.) and they got the name "volatile" from the fact that they become gases at room temperature.
They are emitted from various products, like hairspray, household cleaning products, paint, or air freshener, that we use every day.
C02 EQUIVALENT
CO2 equivalent or CO2e, represents a unit of measurement for the amount of CO2 present in some "greenhouse gas".
SPECIFICATIONS
| Type | Air Quality ,Gas |
| Applications | Smart Home applications, Internet of Things devices, HVAC, thermostats, etc. |
| On-board modules | iAQ-Core sensor |
| Key Features | Low power consumption, measures VOC levels and provides CO2 equivalent and TVOC equivalent predictions. |
| Interface | I2C |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout of the Air Quality 2 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | NC | ||
| NC | 3 | CS | TX | 14 | NC | ||
| NC | 4 | SCK | RX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C data | |
| Power supply | +3.3V | 7 | 3.3V | 5V | 10 | +5V | Power supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
Software Support
Code examples for the Air Quality 2 Click Board™, written for MikroElektronika hardware and compilers are available on Libstock.
The library has a helper function to read the iAQ-Core sensor measurements. The demo initializes the library, and in an endless loop reads the measurement data, and writes them to the UART.
CODE SNIPPET
The code snippet shows how to initialize the library and use the helper function to read measurements data from the iAQ-Core sensor.
1 static iaq_status_t iaq_status;
2 static iaq_info_t info;
3 void main()
4 {
5 I2C1_Init_Advanced( 100000, &_GPIO_MODULE_I2C1_PB67 );
6 air_quality_2_click_init();
7 iaq_status = air_quality_2_click_info(&info);
8 while(1);
9 }
Software Support
Code examples for the Air Quality 2 Click Board™, written for MikroElektronika hardware and compilers are available on Libstock.
The library has a helper function to read the iAQ-Core sensor measurements. The demo initializes the library, and in an endless loop reads the measurement data, and writes them to the UART.
CODE SNIPPET
The code snippet shows how to initialize the library and use the helper function to read measurements data from the iAQ-Core sensor.
1 static iaq_status_t iaq_status;
2 static iaq_info_t info;
3 void main()
4 {
5 I2C1_Init_Advanced( 100000, &_GPIO_MODULE_I2C1_PB67 );
6 air_quality_2_click_init();
7 iaq_status = air_quality_2_click_info(&info);
8 while(1);
9 }
Frequently Asked Questions
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