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Printed connector as soldering aid for jumper cables and LED strips
Handcrafted / SolidWorks

Printed connector as soldering aid for jumper cables and LED strips

April 26, 2022April 27, 20220

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
Arduino projects / Hardware

WeMos D1 R2 setup and wifi integration

March 6, 20220

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
Angular / Software

How to build a Custom Angular Reactive SVG Form with clickable elements

December 30, 2021January 22, 20220

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
Angular / Software

How to build a PUSH based architecture in Angular – Facade Design Pattern

December 5, 20211

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)
Handcrafted / Hardware

Improved LM2587S voltage converter (Step-Up Modul DC-DC)

September 27, 2021September 27, 20210

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
Arduino projects / Hardware

Review Battery Shield V3 – DIY Powerbank with LiPo 18650

July 26, 2021July 29, 20210

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 …

Upgrade: Data transfer via VLC and LiFi – Pi to Pi transfer
Handcrafted / Hardware / Linux / Software

Upgrade: Data transfer via VLC and LiFi – Pi to Pi transfer

July 8, 2021July 8, 20217

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
Arduino projects / Hardware / Linux / Software

Sending text messages with visible light communication or LiFi – Pi to Arduino

June 21, 2021September 8, 20219

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 …

Cyclic Redundancy Check in C code
Software

Cyclic Redundancy Check in C code

June 15, 20212

I plan to build a transmitter and receiver station which is able to transmit data with the help of light signals (“Visible Light Communication” – …

Magnetic clamp for strong neodym magnets
Handcrafted / SolidWorks

Magnetic clamp for strong neodym magnets

June 4, 2021June 4, 20210

There are often huge round magnets in different colors for magnetic boards, but unfortunately they usually don’t hold properly. That’s why I ordered so-called super …

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