One 18650 battery instead of eight AA batteries for rc control

The manufacturer has provided eight AA batteries with a cell voltage of 1.5 V for the RC model remote control. These are connected in series to achieve a final voltage of 12 V. Having eight batteries or rechargeable batteries always in stock was too much and too expensive for me.Instead, I redesigned the battery compartment …

Stable and full protection mobile phone holder for motorbike

Introduction Commercially available mobile phone holders for the motorbike are either too unsafe or far too expensive for me. In the case of the former, this is certainly because the manufacturers are trying to sell a universal mount. Of course, I don’t have this problem with my own design and can build an individual holder …

9-button extension for CAD 3Dconnexion SpaceMouse

A CAD navigation tool is a great help for the construction and three-dimensional orientation in a technical drawing. A colleague of mine once said that it later feels like a body part has been amputated when you have to design without SpaceMouse after you have gotten used to it.I use the SpaceMouse from 3Dconnexion for …