In this tutorial we will learn how to convert an image to grey scale, using the opencv4nodejs package.
Continue reading “Node.js OpenCV: Converting an image to grey scale”Node.js OpenCV: Getting started
In this tutorial we will learn how to get started with the opencv4nodejs package.
Continue reading “Node.js OpenCV: Getting started”Python OpenCV: Converting an image to HSV
The objective of this tutorial is to learn how to read an image and convert it to the HSV color space, using Python and OpenCV .
Continue reading “Python OpenCV: Converting an image to HSV”Python: Concatenating lists with the unpack operator
The objective of this post is to check how to concatenate two lists in Python with the unpack operator “*”.
Continue reading “Python: Concatenating lists with the unpack operator”Python: Print without newline
The objective of this tutorial is to learn how to print content in Python with the print function, without adding a new line at the end of the content. This tutorial was tested on version 3.7.2 of Python, using IDLE.
Continue reading “Python: Print without newline”Node.js: Converting Array to Buffer
In this tutorial we will learn how to convert an integer array to a Node.js Buffer.
Continue reading “Node.js: Converting Array to Buffer”ESP32: using a struct as ESP-NOW message
In this tutorial we will check how to use a struct as an ESP-NOW message. For this tutorial two ESP32 devices were used: a FireBeetle board and a Beetle board, both from DFRobot.
Continue reading “ESP32: using a struct as ESP-NOW message”ESP32: Getting started with ESP-NOW
In this tutorial we will check how to get started with ESP-NOW, a connectionless WiFi communication protocol from Espressif [1]. For this tutorial two ESP32 devices were used: a FireBeetle board and a Beetle board, both from DFRobot.
Continue reading “ESP32: Getting started with ESP-NOW”ESP32 Arduino: Pinging a remote host
In this tutorial we will check how to send a ping to a remote host using the ESP32 and the Arduino core. We will be using this library. The tests from this tutorial were done using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading “ESP32 Arduino: Pinging a remote host”ESP32 Soft AP: Enabling IPv6 support
The objective of this tutorial is to check how to enable IPv6 support on the ESP32, when operating in Soft AP mode. We will be using the Arduino core to program the ESP32.
Continue reading “ESP32 Soft AP: Enabling IPv6 support”