Catalog excerpts
Laser Particle Sensor S P E C I F I C AT I O N Shenzhen MemsFrontier Electronics Co., Ltd.
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MPM10 SERIES LASER PARTICLE SENSOR Product Introduction The MPM10 series sensor module uses the principle of optical scattering to detect the concentration of dust in the air. It can collect and calculate the number of suspended particles of different sizes in the air per unit volume, that is, the particle concentration distribution, and then convert it to mass concentration. The particle concentration value is output in the form of a universal UART digital serial port, or it can be output through the IIC serial port and PWM level signal number. The unit of counting data is pcs/0.1L, and the...
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MPM10 SERIES LASER PARTICLE SENSOR Double row seat: Unit: mm Depending on different air inlet and outlet positions, we differentiate by MPM10-A/MPM10-B/MPM10-C.
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MPM10 SERIES LASER PARTICLE SENSOR Technical data Indicator Parameter Detection particle size Particle counting efficiency Particulate matter concentration range (PM2.5 standard value) Mass concentration resolution Mass concentration Consistency (PM2.5 standard value) Sensor type identifier, reading as fixed character "1" Standard volume Single response time Working Current Standby Current Integrated Response time DC supply voltage Data interface level Operating Temperature Range Operating Humidity Range Interface definition (double row seat / single row seat, 2 kinds of output interface)
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MPM10 SERIES LASER PARTICLE SENSOR Interface socket pin spacing: 1.27mm Pin number (double row seat) Pi n 1 Pin number (single row seat) Functional Label Power supply positive +5V Power supply positive +5V Power supply negative Power supply negative Serial port receiving/IIC data pin, TTL level @3.3V Module reset signal, TTL level @3.3V, low level reset Connected to high or floating when powering on: the pin outputs PWM signal, and the data interface is UART; when powering on and connected to GND: no PWM signal is output, and the data interface is IIC. TTL level@3.3V Serial port send/IIC...
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MPM10 SERIES LASER PARTICLE SENSOR Pay attention to the Circuit design: 1. MPM10 series working voltage is 5V. The data communication and control pins are both 3.3V as the high level, so the motherboard MCU connected to the communication should be with 3.3V power supply. If the motherboard MCU is powered by 5V, need to add a level conversion chip or circuit on communication lines (RXD, TXD) and control lines (SET, RESET). 2. There is pull-up resistors in SET and RESET , if no need,please suspend it. 3. During the application of sleep function: the fan stops working in sleep status, and it...
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