ESP32 Arduino web server: Receiving data from JavaScript websocket client

In this tutorial we will check how to setup a HTTP web server on the ESP32 that will have a websocket endpoint and that will serve a HTML file containing JavaScript code to establish a websocket connection to the server. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Introduction In this …

ESP32 Arduino web server: Sending data to JavaScript client via websocket

In this tutorial we will check how to setup a HTTP web server on the ESP32, which will have a websocket endpoint and will serve a HTML page. The HTML page will run a simple JavaScript application that will connect to the server using websockets and periodically receive simulated temperature measurements from the server. The …

Micro:bit MicroPython: Concatenating strings

In this tutorial we will check how to concatenate strings in MicroPython running on the micro:bit board. Introduction In this tutorial we will check how to concatenate strings in MicroPython running on the micro:bit board. If you haven't yet uploaded the MicroPython firmware to the micro:bit board, please check here how to do it. Working with strings …

AnalogLamb Fish32 board: Getting started with SSD1306 display

In this tutorial we will check how to interact with the OLED display of the AnalogLamb Fish32 board and print a "Hello World" message. Introduction In this tutorial we will check how to interact with the OLED display of the AnalogLamb Fish32 board and print a "Hello World" message. Since the display already comes connected …

ESP32 HTTP web server: serving image from file system

In this tutorial we will check how to serve an image from the ESP32 file system to a HTTP client. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction In this tutorial we will check how to serve an image from the ESP32 file system to a HTTP client. …

ESP32 web server: Serving HTML from file system

In this tutorial we will check how to serve a HTML file from the ESP32 file system, using the Arduino core and the async HTTP web server libraries. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction In this tutorial we will check how to serve a HTML file …