This project is a wifi connected temperature and humidity sensor solar powered.
Made with :
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ESP32
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DHT11 (temp + moisture sensor)
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2x 5V solar pannels
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lithium battery
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battery charger module
The ESP collects data from the DHT11, and also hosts a small server in order to access to this data.
To access data, you and the ESP have to be on the same wi-fi access point. There is just the API address of the ESP to hit + the port.
Made with C++
You can use the arduino software to flash the ESP.