3D printed tap wrench for tap M5 to M12
Wrench taps can be found in any well-stocked hobby workshop. Most are adjustable and made of steel or die-cast zinc. Unfortunately, these wrench taps are …
3D printed Dupont connector for jumper cable
Many DIY projects are accompanied by chaos at the workbench. Screwdrivers, soldering irons, jumper cables, everything lies all over the place. Clean up is usually …
Printed connector as soldering aid for jumper cables and LED strips
For one project, I spent a lot of time preparing cables (cutting, stripping, twisting, and applying solder to the strands). For prototypes, on the other …
WeMos D1 R2 setup and wifi integration
I have often thought that it would be extremely convenient to connect my Arduino projects with the Wi-Fi. At some point I randomly came across …
How to build a Custom Angular Reactive SVG Form with clickable elements
During the Corona pandemic, many companies and employees discovered home office. As a result, it became apparent that not every employee required his own workstation. …
How to build a PUSH based architecture in Angular – Facade Design Pattern
Typically, a PULL-based architecture is used in software development and only rarely a PUSH-based architecture. A service is called to request data from a server, …
Improved LM2587S voltage converter (Step-Up Modul DC-DC)
I found some more possibilities to use the LM2587S voltage converter (step-up DC-DC module) after the development of the first case. The module is extremely …
Review Battery Shield V3 – DIY Powerbank with LiPo 18650
I was looking for a battery with a battery management system for my outdoor projects (weather station, irrigation system, etc.). While browsing online stores, I …
Handcrafted / Hardware / Linux / Software
Upgrade: Data transfer via VLC and LiFi – Pi to Pi transfer
After I already transferred simple text messages via light signals from a Raspberry Pi to an Arduino Uno ( Link: https://nerd-corner.com/sending-text-messages-with-visible-light-communication/ ), I wanted to …
Sending text messages with visible light communication or LiFi – Pi to Arduino
I like the idea of sending data via visible light. In general, Li-Fi (Light Fidelity) and VLC (Visible Light Communication) are heavily discussed at the …