3D printed battery container for CR2032
The so-called button cells are being used more and more and are contained in remote controls, LED tea lights, key rings, kitchen scales etc. If …
Tag: Hardware
DIY powerbank with voltage regulator and voltmeter
After building a simple powerbank, I now decided to combine a step-up module XL6009 with my existing powerbank. Fortunately, I had already constructed and tried …
Glare free lamp and powerbank
I bought a new 3D printer with a closed build chamber. At some point I noticed that one of the two extruders was clogged. The …
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 …
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 …
STC 3008 – 2 temperature sensors in one device (full user guide)
Together with the STC 3000, the STC 1000 and the STC 3028, the STC 3008 is one of the extremely popular temperature sensors with automatic …