Nova SDS011 Fine Dust Sensor

The Nova Fitness SDS011 works on the scattered light principle and measures the particle concentration between 0.3 µm and 10 µm in the air. The sensor has a serial output, and a USB-UART adapter is supplied with which it can be read directly on a PC. The service life in continuous operation is only about one year. If the sensor is switched on only for the measurement and then put into standby, it reaches about 8 years.

The sensor is suitable for the citizen science project Sensor.Community (formerly Luftdaten.info): together with an ESP8266 it forms a measuring station whose data feed into a public fine dust map. No programming knowledge is required, the build guide is linked under Documentation.

Recommended Accessories:

• ESP8266 NodeMCU V3 compatible Development Board
• Gravity I2C BME280 Weather Station Sensor Humidity/Pressure/Temperature
• Dupont Jumper Cable Set 20cm 60 Pieces.
• 3m Quality Micro USB Cable white
• 5V 3000mA USB Power Supply AC/DC Adapter

Features:

• Precise laser measuring method
• Built-in fan
• UART serial output with 3.3 V level
• USB-UART adapter and connection cable included

Application Examples:

• Measuring station for Sensor.Community with ESP8266
• Direct readout on a PC via the USB-UART adapter
• Weather protection from the hardware store: 2× HT bend DN 75 87°, 20 cm aquarium hose with 6 mm inner diameter, cable ties

Documentation:

• Fine dust sensor build guide (Sensor.Community)
• SDS011 specification (PDF)
• SDS011 communication protocol (PDF)
• airRohr firmware (GitHub)

Technical Data:

• Type: SDS011
• Supply voltage: 5 V
• Particle size: 0.3 µm to 10 µm
• Response time: below 10 seconds
• Interface: UART output (3.3 V level)
• Connections: TXD, RXD, GND, 25um, 5V, 1um, NC
• Resolution: 0.3 µg/m³
• Certification: CE, FCC, RoHS
• Dimensions: 70 × 70 × 23 mm
• Weight: 70 g

Scope of Delivery:

• 1× SDS011 fine dust sensor
• 1× Connection cable
• 1× USB-UART adapter