Introduction In this ESP32 tutorial we will check how to send data with a socket client on the Arduino core. Since we will need to reach a socket server, we will implement our own using Python. You can check in Read More
ESP32 Arduino Tutorial mbed TLS: using the SHA-256 algorithm
Introduction In this tutorial we will check how to generate the hash of a string using the SHA-256 algorithm on the Arduino core running on the ESP32, with the mbed TLS libraries. SHA-256 is a hashing algorithm of the SHA-2 Read More
ESP32 Arduino: Temperature, humidity and CO2 concentration web server
Introduction In this ESP32 tutorial we will check how to develop a HTTP web server that will expose an API for clients to retrieve measurements of temperature, humidity and CO2. These measurements will be gathered from the surrounding environment using two distinct sensors. Regarding Read More
ESP32 Arduino: Using an infrared CO2 sensor
Introduction In this ESP32 tutorial, we will check how to get measurements from a C02 sensor, using the Arduino core. The sensor used was an Analog Infrared CO2 Sensor from DFRobot. You can find the Wiki page for the sensor here. Note that Read More
ESP32 Espruino Tutorial: Connection to a WiFi network
Introduction The objective of this post is to explain how to connect to a WiFi network on Espruino running on the ESP32. As mentioned in previous posts, we will be using JavaScript, since Espruino is a JavaScript interpreter for microcontrollers. Read More
ESP32 Arduino: Getting the SDK version
Introduction In this tutorial, we will check how to get the ESP32 SDK version used in the Arduino core from our programs. Since the Arduino core uses the IDF (Espressif IoT Development Framework) under the hood, we will be basically retrieving this Read More
ESP32 Socket Server: Connecting from a Putty socket Client
Introduction In this tutorial, we will check how to setup a socket server on the ESP32 and how to contact it using Putty as a socket client. The code will be implemented on the Arduino core for the ESP32. Note Read More
ESP32 Tutorial: MicroPython support
The objective of this micropython tutorial is to explain how to flash the MicroPython firmware to the ESP32 and test it with a simple “Hello World” program. Introduction The objective of this post is to explain how to flash the Read More
ESP32 MicroPython Tutorial: Parsing JSON
The objective of this micropython tutorial is to explain how to parse a JSON string with MicroPython running on the ESP32. Introduction The objective of this post is to explain how to parse a JSON string with MicroPython running on Read More
FireBeetle Board-ESP32 Projects – Let your cigarette lighter wearable
As a smoker, how cruel it is if I lost my cigarette lighter! I used to think how wonderful with a wearable cigarette lighter. So it comes into being. From the picture, we see it is a kind of big, Read More