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AirSense

AirSense

Regular price £34.99
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Introducing AirSense, the indoor air quality sensor. The perfect solution for monitoring the air quality in your home or office that is also compatible with ESPHome and Home Assistant. This sensor is equipped to provide accurate readings of indoor air quality, temperature, pressure, humidity, bVOCeq and CO2eq. And if that's not enough, it also features an RGB LED and a buzzer to alert you when the air quality is not optimal.

Whether you are concerned about allergies, asthma, or other health issues, AirSense is the ideal choice. Its advanced technology, LEDs and buzzer make it easy to monitor and maintain healthy indoor air quality.

Features:

  • Indoor Air Quality Sensor
  • bVOCeq Sensor
  • CO2eq Sensor
  • Temperature Sensor
  • Humidity Sensor
  • Pressure Sensor
  • RGB LED
  • Buzzer
  • I²C STEMMA QT/Qwiic Connector
  • 5 Additional GPIO's
  • Wi-Fi
  • Bluetooth BLE
  • USB-C
  • Small Form Factor (3.5cm diameter)
  • Home Assistant/ESPHome Ready
  • Open-source Code
  • Easily Reprogrammable

Getting Started

Setup instructions and configuration for the AirSense can be found here:
https://github.com/LoopOnCode/AirSense

Click the button below to import the Home Assistant Blueprint for AirSense:  Open your Home Assistant instance and show the blueprint import dialog with a specific blueprint pre-filled.

Sensor Specifications

Sensor Min Max Unit
Temperature -40 85 °C
Humidity 0 100 %
Pressure 300 1100 hPa

 

GPIO

Extension Pins

Pin Type ADC/RTC PU/PD PWM
GPIO0 In/Out Yes Yes Yes
GPIO1 In/Out Yes Yes Yes
GPIO3 In/Out Yes Yes Yes
GPIO4 In/Out Yes Yes Yes
GPIO7 In/Out Yes Yes

ADC: these pins can be used as ADC inputs
RTC: these pins are RTC GPIOs and can be used in deep-sleep mode
PU/PD: these pins have software configurable pull-up/pull-down functionality.

Misc

Pin Type
GPIO2 RGB LED
GPIO5 I²C SDA
GPIO6 I²C SCL
GPIO10 Buzzer

Power

Pin Type
+5V In/Out (max. 5V)
+3.3V Out only

The maximum power input on the +5V pin is 5V. Do not exceed this as there is no voltage regulator or protection.

Sensor Address Selection

The I²C address of the sensor that reads gas, temperature, pressure and humidity can be altered if it conflicts with another I²C component you have added to the board. To do this, you must solder the ADDR pad. 

Addresses:

  • Unsoldered: 0x77
  • Soldered: 0x76

ESP32

At the heart of the AirSense board is an ESP32-C3F with 4MByte of flash running at a clock speed of 160MHz. It has 2.4 GHz Wi-Fi and Bluetooth 5 (LE) connectivity. 

Datasheets

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