UltraV: a Portable UV-index Meter

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https://www.electronics-lab.com/ultrav-a-portable-uv-index-meter/

fmarzocca @ instructables.com build a portable UV index meter with Arduino. He writes: Being unable to expose myself to the sun due to a dermatological problem, I used the time I would have spent on the beach to build an ultraviolet rays meter. UltraV. It is built on an Arduino Nano rev3, with an UV […]

ATMEGA328 based Weather Station

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https://www.electronics-lab.com/atmega328-weather-station/

Vlad @ denialmedia.ca has build a solar powered weather station based on ATMega328 microcontroller that is able to measure temperature, a humidity, and UV radiation and it uploads measurement on WeatherUnderground network. The data are send to the air using a 433MHz link. The sensors used are DHT22, ML8511, BMP180 and a TP4056 charger IC is used to […]