PM2008(M) Particulate Matter Sensor

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Overview

PM2008 and PM2008M particulate matter measurement sensors. These sensors are used in Xiaomi air purifiers and support both I2C and UART interfaces.

Specifications

Operating principle Laser scattering
Measured particle range 0.3um ~ 10um
Measurement range 0 ~ 1,000ug/m³
Resolution 1ug/m³
Working condition -10°C ~ 60°C, 0 ~ 95%RH (Non-condensing)
Condition: 25 ±2°C, 50±10%RH,
Reference instrument: GRIMM
Dust Source: Cigarette + Arizona A1
Response time 1sec
Time to first reading ≤ 8 seconds
Power supply DC 5V ±0.1V, ripple wave＜50mV
Working current ≤100mA
UART_TTL_3.3V(default);
I2C_3.3V / 5V(default)

Supported GPIO

Raspberry Pi 0~4
Raspberry Pi 5
BeagleBone Black/Green
Jetson Nano
FT232H, FT2232H, FT4232H
MCP2221
USB-UART converter modules (FT232RL, CP2102, PL2303, CH340…)

Commands

[READ_DATA]

Reads particulate matter concentration values.

Item	Type	Description
PM 1.0 (GRIMM)	READ	PM 1.0 concentration (㎍/㎥, GRIMM method *)
PM 2.5 (GRIMM)	READ	PM 2.5 concentration (㎍/㎥, GRIMM method)
PM 10 (GRIMM)	READ	PM 10 concentration (㎍/㎥, GRIMM method)
PM 1.0 (TSI)	READ	PM 1.0 concentration (㎍/㎥, TSI method **)
PM 2.5 (TSI)	READ	PM 2.5 concentration (㎍/㎥, TSI method)
PM 10 (TSI)	READ	PM 10 concentration (㎍/㎥, TSI method)
≤ 0.3 ㎛ Particle Count	READ	Number of particles ≤ 0.3 ㎛ per 100ml
≤ 0.5 ㎛ Particle Count	READ	Number of particles ≤ 0.5 ㎛ per 100ml
≤ 1.0 ㎛ Particle Count	READ	Number of particles ≤ 1.0 ㎛ per 100ml
≤ 2.5 ㎛ Particle Count	READ	Number of particles ≤ 2.5 ㎛ per 100ml
≤ 5.0 ㎛ Particle Count	READ	Number of particles ≤ 5.0 ㎛ per 100ml
≤ 10.0 ㎛ Particle Count	READ	Number of particles ≤ 10.0 ㎛ per 100ml

* Measurement method of German GRIMM aerosol spectrometer
** Measurement method of American TSI DustTrack aerosol monitor

Example

Objective

Display PM1.0, PM2.5, and PM10.0 particulate matter concentrations on dashboard widgets.

Parts

Part	Quantity
Raspberry Pi 4 *	1
PM2008(M)	1
Adapter board or cable **	1

* Other hardware can also be used. Refer to Supported GPIO.
** PM2008 model can be connected with an adapter board, while PM2008M model can be connected with a dedicated connector.