PM2.5 monitoring system based on ZigBee wireless sensor network

Lin, Lukai; Li, Xiangshun; Gu, Weiying

doi:10.1088/1755-1315/69/1/012094

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…The Cortex-M3 core transmits data through the various buses, peripherals, and memories, and the bus matrix accomplishes the switching operation function. This structure makes it easier for the core to handle complex data [14].…”

Section: Hardware Design Of System Arm Gatewaymentioning

confidence: 99%

Cultural Relics Protection System Based on ZigBee and WiFi

Na¹,

Wu²,

Qiang³

et al. 2018

Proceedings of the 2018 3rd Joint International Information Technology，Mechanical and Electronic Engineering Conference (JIMEC

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Cultural relics are valuable society resource for the countries. In order to protect the cultural relics effectively, a cultural relics protection system based on ZigBee and WiFi is proposed in this paper. The system is based on a wireless sensor network that collects information about the surrounding environment and of the cultural relics through sensors and detects any position changes and temperature or humidity anomalies of the monitored cultural relics. When the position of the monitored cultural relics changes or the temperature and humidity are not conducive to the storage of cultural relics, the system will send an alarm to the control center to inform the staff to handle the situation accordingly. The detailed implementation of the system is demonstrated.

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Section: Hardware Design Of System Arm Gatewaymentioning

confidence: 99%

Cultural Relics Protection System Based on ZigBee and WiFi

Na¹,

Wu²,

Qiang³

et al. 2018

Proceedings of the 2018 3rd Joint International Information Technology，Mechanical and Electronic Engineering Conference (JIMEC

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show abstract

“…Other studies created air quality monitoring systems using ZigBee-based Wireless Sensor Network (WSN) technology, such as in studies [8]- [10]. ZigBee module allows multiple sensor nodes to communicate directly with the coordinator node, reducing the number of internet connections required.…”

Section: Introductionmentioning

confidence: 99%

Low Cost Air Quality Monitoring System Using LoRa Communication Technology

Fadhli¹,

Asriyadi²,

Lindawati³

et al. 2022

Atlantis Highlights in Engineering

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This paper proposes a low cost air quality monitoring system using LoRa-based communication technology. The proposed system consists of several sensor nodes and a gateway. Sensor nodes read pollutant levels in the air using the MQ-7 sensor for CO gas, MQ-135 for CO2 gas, GP2Y1010 for Particulates Matter (PM) and the DHT-22 sensor to read air temperature and humidity. Arduino UNO R3 is used as the data processing centre. Sensor data is sent to the gateway using the LoRa RF96 module. The gateway forwards the sensor data received to the Thingspeak server using NodeMCU V3, and users can access it via the internet network. The test results show that the designed system could read the levels of pollutants in the air and sent them to the Thingspeak server. Indoor-placed gateway could receive data from outdoorlocated sensor node with a 100% success rate up to a distance of 32 meters. While at a distance of 50 meters, the success rate of data reception by the gateway was 99.17% and at a distance of 70 meters was 78.3%.

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PM2.5 monitoring system based on ZigBee wireless sensor network

Cited by 2 publications

References 1 publication

Cultural Relics Protection System Based on ZigBee and WiFi

Cultural Relics Protection System Based on ZigBee and WiFi

Low Cost Air Quality Monitoring System Using LoRa Communication Technology

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