ESP32 earthquake detector with solar battery

Experiments were conducted on the possibility of ITO devices based solely on solar batteries. The data will be uploaded to a server for viewing. The server was ambient, which is free of charge.

Sensors are monitored every second and uploaded every 20 minutes. However, if the deviation is large, it will upload every second.

Solar-charged mobile battery specifications 80x80mm 5000mAh 

ESP32 with ADXL345

Arudino IDE srccode

Duration 48 hours