Handcrafted Archives - Nerd Corner

3D printed tap wrench for tap M5 to M12

October 15, 2022October 15, 20220

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

May 27, 2022February 8, 20233

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

April 26, 2022April 27, 20221

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 …

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

September 27, 2021January 16, 20232

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 …

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 …

Magnetic clamp for strong neodym magnets

June 4, 2021August 29, 20220

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 …

Step-down Modul DC-DC LM2596S

May 29, 2021September 8, 20221

I have recently constructed a housing for a step-up and had good experiences with it. However, since I also need the other direction, which is …

Step-up Modul DC-DC LM2587S

May 6, 2021June 6, 20212

I bought a battery vacuum cleaner, but unfortunately after two weeks I could not find the charging adapter anymore. The specified voltage for the power …