Automatic water dispenser project report12/29/2023 ![]() ![]() ![]() If the power goes out or signal is otherwise lost from the microcontroller, the valve should close or remain closed. The water valve should be a fail close valve.Google sheets is used to log water usage data and for the system to read inputs such as when the filter should be changed, what preset values to use for the automatic dispensing mode, and for scheduling afterhours times.Ī tutorial for how to log data to Google Sheets with an ESP8266 module without the use of a third party service can be found here:Ī NodeMCU controller was used mainly because a WiFi connection was required for logging data and for the desire to use over the air programming. This is the most recent version, and includes the code for all of the features listed above in the Project Description.īuild Notes and Considerations Google Sheets Logging This version has the same functionality as version 1, but includes code for over the air (OTA) programming of the ESP8266 and for logging water usage data directly to Google Sheets It will open the valve and fade on the lights when an object is detected or when the button is pressed. This includes the most basic operation for one sensor and can be used without an internet connection. There are three different versions of the code posted for the ESP8266: 3D printed enclosure for hidden mounting under a cabinet. ![]()
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