[Sensor Modules | Environment] Laser PM2.5 Air Quality Sensor BM25S3221-1

📌Laser PM2.5 Air Quality Sensor BM25S3221-1

💻More Information: https://www.bestmodulescorp.com/bm25s...

00:00 00:13 Demo Operation
00:14 00:23 Laser PM2.5 Air Quality Sensor BM25S3221-1
00:24 00:44 Product Features
00:45 01:03 Pin Description
01:04 01:10 Required Materials
01:11 01:32 Getting Started
01:33 01:57 Getting Started -TFT LCD Shield
01:58 02:07 Getting Started -demo code
02:08 02:22 Open the Arduino IDE
02:23 02:39 Demo Operation-Warm-up time
02:40 02:59 Demo Operation- Monitoring Air Quality
03:00 03:06 www.BestModulesCorp.com

✒Description
The product is a Laser PM2.5 Air Quality Sensor that is mainly used to detect the concentration of PM1.0, PM2.5 and PM10 (ranging 0~1000μg/m3) and read values and PWM signals via UART interface and PWM pin. The product has been calibrated at factory.

▓Measuring the diameter and concentration of particles
The product uses laser scattering to radiate suspending particles in the air, then collects scattering light to obtain the curve of scattering light change with time. There is a MCU built in the product which can calculate particles diameter and the number of particles (concentration).

▓PM concentration output and calculation
The values can be outputted via UART interface once every second.
You can also read PWM signals through PWM pin and use the formula to calculate the concentration of PM2.5. Refer to the PWM Output Chapter in the datasheet for more formula details.

✒Features
◆Operating voltage:4.8V~5.5V
◆Operating voltage: 60mA @5.0V
◆Measuring particles ranging from 0.3µm to 10µm
◆Detection concentration range: 0~1000μg/m3
→Accuracy:
  ▓0~100μg/m3: ±15μg/m3
  ▓101μg/m3~1000μg/m3: ±15%
→Resolution: 1μg/m3
◆Response time: T90 small than 30s
◆Warm-up time: 30 seconds
◆Operating humidity: 0~80%RH (no condensation)
◆Interface: UART (baud rate: 9600bps) / PWM
◆Dimension: 48 x 40 x 12 mm
◆Net weight: 28.3g
◆Product includes: BM25S3221-1 x1 / 8-pin cable x1


🏢 Best modules corp.
🔗NO. 3, Creation Rd. II, Science Park, Hsinchu 30077, Taiwan
🤝service@bestmodulescorp.com

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