ESP8266 - IoT soil moisture sensor (WebApp + Android)

IoT soil moisture sensor built around the ESP8266 SoC and a soil moisture sensor with an analog output. ESP was programmed in Arduino IDE. To visualize the data at browser side I have used chart.js which is easy to handle and looks rad! Furthermore, I decided to dynamically change the value of CSS filter according to the data received, in order to reflect the plant’s drainage. To enhance user experience I have also developed an android app, where I've used MPandroidChart.

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Code: github link
Video: youtube link