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, …
Tag: Powerbank
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 …
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 …