Below is a dynamic chart of an IoT temperature sensor that I made to monitor the indoors or outdoors temperature at home. I am using a free Android app called “IoT ThingSpeak Monitor” by Wilice. The app allows you to setup a widget to display the temperature and to set lower and upper limit temperature alarm notification triggers.… Read more
Low Cost Temperature Monitor and Alert Thing
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Below is the dynamic data plot from the temperature logger in my workshop. The temperature logger uses a low cost Chinese sourced esp8266 D1 board and measures temperature and humidity every 5 seconds using a DHT11 sensor. Readings are sent to this site’s web server and stored in a MySQL database.…