DIY keypad lock – 3D printing and code
A cupboard that should always be locked and five people who need to access it – a classic challenge. The obvious solutions? Five keys in …
Tag: Hardware
Mini Digital Voltmeter
If you want to measure voltage with a voltmeter or multimeter, you normally need two hands. But usually you only have one hand free. You …
Dupont Connector V1.1
In response to the extremely positive feedback on my quick connectors (Dupont connectors), I realized that their original purpose of only being used in the …
Using a barrel jack as a switch
In many everyday devices, such as battery-operated radios, lamps, torches and especially laptops, a barrel jack is used for the power supply. In these cases, …
WeMos D1 R2 – Host entire website with html, css & js
The first part of the WeMos series explained the setup and Wi-Fi integration. Building on this, this article describes step by step how to host …
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 …
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 …