ThailandAirGradient builds open-source indoor and outdoor air quality monitors that track PM2.5, CO2, temperature, humidity and other pollutants. The company is known for its open hardware and firmware, letting users build, repair and integrate the monitors with platforms like Home Assistant and its own dashboard. AirGradient appeals to people who want transparent, data-driven air quality monitoring rather than a closed black box.
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ChinaBroadLink is a Chinese smart home brand best known for its universal IR and RF remote controls that bring older appliances like TVs and air conditioners into the smart home. Its catalog also includes smart plugs, switches and sensors, controlled through the BroadLink app and compatible with Alexa and Google Home. BroadLink is a budget-friendly way to automate devices that lack native connectivity.
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