The voltage on the signal lines RX, TX, RESET, SET must not exceed 3.3 V. When controlling the module with a higher voltage, we recommend using a voltage converter.
The PlanTower PMSA003-A Dust and Air Quality Sensor is a highly accurate laser-based module designed to measure PM1.0, PM2.5, and PM10 concentrations in real time. Using advanced laser light scattering technology, the PMSA003-A can detect particles as small as 0.3 µm, making it suitable for monitoring pollutants like dust, cigarette smoke, and vehicle emissions. Its integrated silent fan ensures stable airflow for consistent and precise readings. With a UART interface (3.3V logic level) and wide operating voltage range (3.3V–5V), this compact sensor is ideal for IoT air quality systems, HVAC integration, smart home devices, and environmental analysis tools. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
Laser Scattering Technology: Provides precise detection of airborne particles from 0.3 µm to 10 µm.
Multi-Range Detection: Measures PM1.0, PM2.5, and PM10 concentrations simultaneously.
Built-In Silent Fan: Ensures smooth airflow and stable measurement results.
High Sensitivity: 50% response at 0.3 µm and 98% at 0.5 µm and larger particles.
Wide Voltage Range: Operates efficiently between 3.3V and 5V.
Simple UART Interface: Easy integration with microcontrollers and single-board computers.
Compact Design: 38 × 35 × 12 mm form factor for portable and embedded systems.
Fast Response: Measures air quality changes in less than 10 seconds.
Durable Construction: Built for continuous environmental monitoring applications.
IoT and Industrial Ready: Compatible with modern air monitoring and smart automation systems.
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Applications:
Home and Indoor Air Quality Monitors: Detects fine particulate matter for cleaner living environments.
IoT Air Monitoring Systems: Ideal for smart city and smart home integration.
HVAC and Air Purification Systems: Provides feedback for adaptive filtration.
Environmental Research: Measures particulate pollution levels for industrial and academic studies.
Portable Devices: Suitable for mobile or battery-powered air quality monitors.
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| Manufacturer | PlanTower |
| Operating Voltage | 3.3V – 5V |
| Current Consumption | Up to 100 mA |
| Interface | UART (3.3V logic) |
| Measurement Range | PM1.0: 0.3–1.0 µm; PM2.5: 1.0–2.5 µm; PM10: 2.5–10 µm |
| Sensitivity | 50% @ 0.3 µm; 98% @ ≥0.5 µm |
| Operating Temperature | -5°C to 60°C |
| Response Time | <10 seconds |
| Connector | 10-pin, 1.25 mm pitch |
| Dimensions | 38 × 35 × 12 mm |
| Weight | 20.7 g |
| Color | Silver |
| Communication Type | UART serial output |
| Applications | Air monitoring, IoT devices, HVAC systems, research |
| Shipment Weight | 0.0262 kg |
| Shipment Dimensions | 4 × 4 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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Documentation:
Pinout
| Pin | Description |
|---|
| Pin 1 (VCC) | Power supply (5V). |
| Pin 2 (VCC) | Power supply (5V). |
| Pin 3 (GND) | Ground. |
| Pin 4 (GND) | Ground. |
| Pin 5 (RESET) | Reset (3.3V). |
| Pin 6 (NC) | Not connected. |
| Pin 7 (RX) | Serial Receiver Pin (TTL @ 3.3V). |
| Pin 8 (NC) | Not connected. |
| Pin 9 (TX) | Serial Transmit Pin (TTL @ 3.3V). |
| Pin 10 (SET) | Normal/Sleep mode selection.
|
Package Includes:
1 x PlanTower PMSA003-A Dust/Air Quality Sensor PM1.0 / PM2.5 / PM10 UART with Adapter Board
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