PM2.5 Air Quality Sensor PMS5003 High Precision Digital Output Module

Product Description The PMS5003 PM2.5 Air Quality Sensor is a high-precision digital laser dust sensor designed for detecting particulate matter (PM1.0, PM2.5, PM10) in the air. With its advanced laser scattering technology, it provides real-time and accurate measurements of dust concentration, making it ideal for air purifiers, environmental monitoring, HVAC systems, and IoT air quality projects. Equipped with a digital UART interface, the PMS5003 outputs stable and reliable data directly to Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers. Its compact design and low power consumption make it suitable for both portable and embedded applications. Explore more air quality and IoT monitoring modules at PowerMark Solution. Features High-precision PM1.0, PM2.5, PM10 dust concentration detection Uses laser scattering principle for accurate results Digital UART serial output for easy integration High consistency and long-term stability Compact and low-power design Works with Arduino, ESP32, STM32, Raspberry Pi Widely used in IoT, HVAC, and smart monitoring systems Applications Indoor and outdoor air quality monitoring Smart air purifiers and HVAC systems Environmental research and IoT dashboards Smart homes and industrial air control Health and safety monitoring systems STEM education and research projects Technical Specifications Specification Details Model PMS5003 Measurement Target PM1.0, PM2.5, PM10 Principle Laser Scattering Output Interface UART Digital Output Measurement Range 0 – 500 µg/m³ Supply Voltage 5V DC Average Current ≤100 mA Response Time ≤10 seconds Dimensions ~50mm × 38mm × 21mm Package Includes 1 × PMS5003 PM2.5 Air Quality Sensor Module 1 × Cable for UART communication Documentation Works with Arduino IDE and Raspberry Pi via UART serial communication. Libraries and sample codes are available for real-time air quality monitoring dashboards, IoT integration, and cloud-based data logging.       Pin Description:   VCC Supply voltage 5V 4.5 – 5.5V GND Ground SET HIGH or SUSPENDED – work mode LOW – sleep mode 3.3V logic RXD UART/TTL data recieve 3.3V logic TXD UART/TTL data transmit 3.3V logic Reset LOW to reset 3.3V logic NC Not connected NC Not connected   Note: Some of the PM2.5 pins are numbered from left to right as 1, 2, 3……8. But in case of PM5003, the pins are named from right to left. Be careful while connecting PM5003 pins as you might connect it reversely.  FAQs Q1: What particles can PMS5003 detect?A: It detects PM1.0, PM2.5, and PM10 particulate matter. Q2: What interface does it use?A: It outputs data via UART serial communication. Q3: Is it compatible with Arduino?A: Yes, widely used with Arduino and ESP32. Q4: Can I use it with Raspberry Pi?A: Yes, via UART with available Python libraries. Q5: What is the response time?A: Typically less than 10 seconds. Q6: Does it require calibration?A: No, it comes factory-calibrated for immediate use. Q7: What is the operating voltage?A: The sensor requires 5V DC. Q8: Is it suitable for air purifiers?A: Yes, it is widely used in commercial and DIY purifiers. Q9: Can it measure outdoor air quality?A: Yes, but protection against dust and moisture is recommended. Q10: Is it beginner-friendly?A: Yes, with available libraries and tutorials.