Comprehensive guide on using the DS3231M real-time clock module with Arduino. Learn to read and set the current time, wake up Arduino from sleep mode using RTC interrupts, and integrate precise tim...

Learn how to connect and use the Nokia 5110 LCD display with a Raspberry Pi Pico using MicroPython. Tutorial covers the wiring, code implementation, and troubleshooting tips.

Explore the basics of Raspberry Pi Pico and MicroPython. Learn how to set up your board, install MicroPython, and start programming with a simple LED example.

A guide on using environmental sensors like HTU21D, BMP280, BMP388, and DS18B20 with Arduino boards for monitoring temperature, humidity, and pressure. Includes wiring instructions, code examples, ...

Introduction Target Audience Arduino articles are meant to be somewhat concise, if steps are easy. There are plenty of really in-depth resources for beginners. On the other hand, unlike other ard...

An in-depth exploration of finding the center of rotation from 2x3 and 3x3 transformation matrices, with analytical solutions, Python code using SymPy, and an alternative approach involving eigenve...

Introduction Starting with simple examples and moving towards more complex ones is a widely accepted teaching method. However, I consider this approach to be somewhat redundant for our purposes, a...

Introduction This article aims to organize and share observations from my collection of Logarex slide rules. There are two valuable resources in Czech on this topic, other than online auctions (au...

Explore logarithms, slide rules, and their fascinating history through this engaging math article. Learn how logarithms convert multiplication to addition.

Introduction This article builds on top of 2023-07-11-eng-self-hosting-recap and 2023-06-26-eng-podman-files. Not much have changed. I updated many articles such as NextCloud recovery and update....

Introduction I wanted to limit the number of lines written into journal to reduce disc writes and perhaps a bit of CPU usage. iotop command showed that journalctl is responsible for the majority o...

Explore the captivating world of nighttime photography with this in-depth guide on capturing noctilucent clouds timelapse. Explores the image processing pipeline with Python code and RawTherapee so...

A comprehensive cheat sheet for image processing tasks on Linux, covering batch file processing, WebP conversion, PNG optimization, resizing, type conversion, video processing, and more. Includes e...

Building on our previous exploration of the Perseids meteor shower, this sequel delves deeper into the specifics of nighttime photography during this celestial event. Several questions arose from o...

For night photography enthusiasts, here’s a consolidated guide from my experience with the Perseids aplicable to nighttime photography in general. Captured three Perseids from 110 shots with a 10...