DIY solar panel mount for 2W panels
Often you don’t need a large power source to reliably charge an 18650 battery. Unfortunately, suitable, small solar panels are difficult to find – many …
Tag: CAD design
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 …
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, …
Click and clamp system – SMD5050 bracket
Who has ever had trouble with the adhesive on an LED strip? Nobody? Well, in my opinion, you have. Here comes the remedy! I call …
3D printed bit adapter square / hexagon
I bought a socket spanner box (1.0.1-1.0.3) with 50 or 150 pieces and thought I was set for the rest of my life. But unfortunately, …
3D Printed Tealight Holder
Tea lights are practical and create a pleasant Christmas atmosphere. Meanwhile, LED tea lights are also very popular. They usually have a battery as their …
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 …