A site about programming, IoT and technology. Find tutorials for many different projects.
The objective of this post is to explain how to check how many messages are available on a FreeRTOS queue, without consuming them. We will also check how to use the API to get how many free spaces are still available on the same queue. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device …
Continue reading "ESP32 Arduino: Getting available messages and free spaces of FreeRTOS queue"
The objective of this post is to give an introduction to FreeRTOS queues, using the ESP32 and the Arduino core. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to give an introduction to FreeRTOS queues, using the ESP32 and the Arduino core. …
The objective of this post is to explain how to get measurements from the ESP32 internal Hall sensor. The tests of this tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to explain how to get measurements from the ESP32 internal Hall sensor, using the ESP32 Arduino core. …
Continue reading "ESP32 Arduino: Internal Hall sensor measurements"
The objective of this post is to explain how to develop a simple system where an ESP32 sends HTTP POST requests to a Python Bottle application. The tests were performed on a DFRobot's ESP-WROOM-32 module, integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to explain how to develop a simple system where an …
Continue reading "ESP32 Arduino: HTTP POST Requests to Bottle application"
How to control a buzzer with PWM, using the ESP32 and the Arduino core.
The objective of this post is to explain how to fade a LED with the ESP32, using the LED PWM functionalities. Introduction The objective of this post is to explain how to fade a LED with the ESP32, using the LED PWM functionalities of the microcontroller. I will be using DFRobot's FireBeetle ESP32 board to …
The objective of this post is to explain how to make the DFRobot's FireBeetle ESP32 board built in LED blink. Introduction The objective of this post is to explain how to make the DFRobot's FireBeetle ESP32 board built in LED blink. You can learn more about the FireBeetle ESP32 board on this previous tutorial. This …
Continue reading "FireBeetle ESP32: Blinking the on board LED"
The objective of this post is to explain how to install the drivers for DFRobot's FireBeetle ESP32 board and create a simple "Hello World" program with the Arduino development environment. Introduction The objective of this post is to explain how to install the drivers for DFRobot's FireBeetle ESP32 board and create a simple "Hello …
The objective of this post is to explain how to upload an Arduino program to the ESP-WROOM-32 module. Introduction The objective of this post is to explain how to upload an Arduino program to the ESP-WROOM-32 module, from DFRobot. We will cover in more detail the hardware configuration needed to upload a program to the module. …
Continue reading "ESP-WROOM-32: Uploading a program with Arduino IDE"
The objective of this post is to explain how to read a file from MicroPython's file system. This tutorial was tested on both the ESP32 and the ESP8266. Introduction The objective of this post is to explain how to read a file from MicroPython's file system. This tutorial was tested on both the ESP32 and …
Continue reading "ESP32 / ESP8266 MicroPython: Reading a file"
techtutorialsx 