How to build a chat application hosted by the ESP32, based on websockets.
ESP32 websocket server: Broadcast messages
How to broadcast messages to all the websocket clients connected to a ESP32 server.
ESP32: Sending a SMS with Twilio
How to use the API from Twilio to send a SMS from the ESP32, using the Arduino core.
ESP32 dashboard: luminosity measurements
How to display luminosity levels on a real-time web dashboard served by the ESP32. We will be using the ESP-DASH library and the Arduino core.
ESP32: Dynamic sensor network
How to build a dynamic sensor network that can be monitored through a web-based real-time dashboard. We will be using the ESP32 to implement the nodes of the sensor network and the Arduino core to program them.
ESP32 dashboard: dynamic cards
How to dynamically add and remove a card from a web dashboard served by the ESP32. We will be using the ESP-DASH library and the Arduino core.
ESP32: web dashboard over Soft AP
How to serve a web dashboard from the ESP32 with the device working as Soft AP. We will be using the ESP-DASH library and the Arduino core.
ESP32: Real-time web dashboard
How to use the ESP-DASH library to implement a web-based dashboard that will be updated in real time with sensor measurements (temperature and humidity). Under the hood, the update mechanism will be based in websockets. We will be using the ESP32 and program it with the Arduino core.
ESP32 Biometrics: PPG Wave on web page
How to draw a PPG wave in real time on a plot, rendered on a web page, served by the ESP32. The measurements that will be used on the plot will be taken from a Heart Rate sensor module connected to the ESP32. We will be using the Arduino core to program the ESP32.
ESP32 inja: HTML template engine
How to use the inja library as an HTML template processor for the ESP32, using the Arduino core.