I had to put Opensprinkler + 24v transformer + TP-Link wifi in a largish plastic waterproof box outside in my garden (could not have it indoor unfortunately).
I am worried that the heat generated by the transformer plus the high summer temperatures MIGHT push the air temperature inside the box over 40 deg C possibly putting the electronics at risk.
Is there any way (simple enough for a person with little electronics skills) to add a temperature sensor to Opensprinkler 2.1 (which I bought assembled) and modify the web page (again person with little programming skills and none at all on the Arduino but willing to learn) so it shows the “system temperature” ?
There are many different types of temperature sensors, simple ones like MCP9700, more accurate ones like TMP36, DS18B20, and also temperature + humidity sensors like DHT11 and DHT22. Adafruit.com is a good place to look for tutorials on how to use these sensors and sample code. If you are not familiar with programming, this is probably a good starting point 🙂