This time we will look at how to use a 20x4 LCD as an extra part of the Air Meter Making project.
Project showcase by 3 developers
It can measure fine dust, humidity, temperature and CO2 concentration in the air and check it on the internet in real time.
Project tutorial by 4 developers
Use ESP-01 and DHT 11 to send temperature and humidity data to the server.
by 4 developers
An Arduino logo engraved in acrylic with a touch sensitive aluminum LED stand.
Project showcase by MBcreates
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