This tutorial describes how to Use App Inventor to build an App which can read the online values of a connected sensor. For this, it uses a WebViewer Component and a Clock to refresh values. This is part 2 of…
This tutorial demonstrates how to build a simple sensor and publish its values online (on a web server) using an ESP32 module. We will build an Arduino sketch which will read the sensor values, connect to WiFi, connect to a…
Today I created a coding example which demonstrates how to read Exif data from an uploaded photo and extract the GPS location from that and show the location of where the photo was taken using Google Maps. To accomplish this,…