A PlatformIO project for the Seeed Wio Terminal that reads data from a Grove HM3301 PM2.5 laser dust sensor and broadcasts the readings over Bluetooth Low Energy (BLE).

A PlatformIO project for the Seeed Wio Terminal that reads data from a Grove HM3301 PM2.5 laser dust sensor and broadcasts the readings over Bluetooth Low Energy (BLE).

Polverine is a mikroBUS-compatible environmental sensing platform featuring a BMV080 PM2.5 sensor and a BME690 gas sensor, plus an Espressif ESP32-S3-MINI-1 module to add Wi-Fi 4 and Bluetooth 5 ...

Given such a sensor, you can measure VOCs and NOCs (Volatile and Non-Volatile Organic Compounds), as well as PM1, PM2.5, PM4 and PM10 particulate matter indices, with temperature and humidity ...

VIENTIANE (Vientiane Times/ANN): Several areas across Laos recorded PM2.5 concentrations exceeding safety limits, posing health risks to sensitive groups, according to a report issued by the ...

The centre reported the average PM2.5 levels throughout the city on Tuesday at 58.9 micrograms per cubic metre (mcg), well above the country’s standard of 37.5 mcg over a three-hour average (5am to ...

Bangkok and 64 out of 76 provinces in Thailand experienced unsafe levels of PM2.5 dust pollution this morning, January 20, with 28 provinces reaching hazardous red levels. Samut Sakhon reported the ...

Should PM2.5 concentrations show a sustained upward trend, WFH measures may be extended through 24 January 2025. The BMA has informed WFH network partners to facilitate work planning and minimise ...

January 17, 2025 - Mr. Ekwaranyu Amrapal, spokesperson for the Bangkok Metropolitan Administration (BMA), has announced revised Work from Home (WFH) measures in light of Bangkok’s ongoing PM2.5 air ...

ABC algorithm: Automatic Baseline Correction, it constantly keeps track of the sensor's lowest reading over a few days interval and slowly corrects for any long term drift detected as compared to the ...

ABC algorithm: Automatic Baseline Correction, it constantly keeps track of the sensor's lowest reading over a few days interval and slowly corrects for any long term drift detected as compared to the ...

However, many of these sensors require complex fabrication processes, making it challenging to form 3D shapes. In contrast, laser-induced graphene (LIG) shows promise for use in various physical ...