Category: Maker

DIY Instrument Shield

An instrument shelter provides a flow of air around weather sensors while protecting them from direct sunlight and rain. Without a shield, the sun can heat the temperature sensor giving a false high-temperature reading. Professional weather stations use a large louvered box called a Stevenson Screen that is built to specific dimensions for standardized weather …

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Solar Radiation Shield under test

The D1M-WX1 and D1S-WX1 solar-powered weather stations heat up in direct sunlight giving an incorrectly high-temperature reading. Early results from testing an Acurite solar radiation shield are very good. The shield is available from several online vendors. Check around for a good price as the same item sells for $10 to $60 from different vendors. …

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Important Weather Kit Update 16 June 2017

IMPORTANT NOTE FOR WEATHER STATION BUILDERS Applies only to kits purchased before May 2018 Some builders have noted that the markings on the XH 2-pin connector leads do not conform to the instructions.  It appears that every pair has a different set of markings. Getting the polarity of the connectors wrong, particularly for the LiPo cell …

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Permanent link to this article: https://w4krl.com/important-weather-kit-update-16-june-2017/

Power supply measurements

Most electronic projects operate on low voltage direct current. This is often provided by a USB connection or a battery. There are several possibilities to power a project from the 120 Vac power line. A common way is to use a wall adapter (wall wart) and feed low voltage direct current to your project through a …

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Permanent link to this article: https://w4krl.com/power-supply-measurements/

ThingSpeak Addins

Here is a selection of MATLAB Visualizations tailored to the IoT Kits Weather Stations: ThingSpeak Addins

Permanent link to this article: https://w4krl.com/thingspeak-addins/