In this tutorial we will learn how to tile an image so it repeats itself both vertically and horizontally the number of times we specify. We will do this using Python, OpenCV and numpy.
Continue reading “Python OpenCV: Image tiling”Python: Converting Dictionary to JSON string
In this tutorial we will check how to serialize a Python dictionary to a JSON string.
Continue reading “Python: Converting Dictionary to JSON string”Python OpenCV: Concatenating images
In this tutorial we are going to learn how to concatenate images horizontally and vertically using Python and OpenCV.
Continue reading “Python OpenCV: Concatenating images”ESP32: Connecting a PS3 controller
The objective of this tutorial is to explain how to connect a PS3 controller to an ESP32, using the Arduino core and this library. The tests from this tutorial were done using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading “ESP32: Connecting a PS3 controller”Python: using LINQ operators
In this tutorial we are going to learn how to use the py-linq module, which brings the LINQ operators to Python.
Continue reading “Python: using LINQ operators”JavaScript: Flattening JSON with custom separator
In this tutorial we will learn how to use a custom separator when flattening a JavaScript object with the flat package.
Continue reading “JavaScript: Flattening JSON with custom separator”ESP32: PS4 controller connection event
In this tutorial we are going to learn how to detect the connection of a PS4 controller to the ESP32 by using a callback function. We will be using the Arduino core and this library. The tests from this tutorial were done using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading “ESP32: PS4 controller connection event”ESP32: Connecting a PS4 Controller
In this tutorial we will learn how to connect a PS4 controller to the ESP32, using this library and the Arduino core.
Continue reading “ESP32: Connecting a PS4 Controller”ESP32 SSD1306 OLED: Drawing rectangles
In this tutorial we are going to learn how to draw rectangles on a SSD1306 OLED, using the ESP32 and the Arduino core. The tests from this tutorial were done using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading “ESP32 SSD1306 OLED: Drawing rectangles”Python: flattening a JSON
In this tutorial we will learn how to flatten a JSON with Python and the flatten_json module.
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