Power supply via USB is practically an industry standard for many devices nowadays. Originally only intended to supply power to small devices such as computer mouse or keyboard, the USB connection is now operated without a data line practically as a universal 5 V socket. Here, the intended limit ranges for voltage and current are …
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The duration of use of frying oil depends largely on the smoke point. Impurities reduce the temperature at which the smoke point is reached. Accordingly, after each frying process, the oil should be filtered to remove as many residues and particles of the fried food as possible. Otherwise, they accumulate at the bottom of the …
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 …
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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 …
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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 …
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3D printing is the perfect tool to fix little things in everyday life that are always annoying but too time-consuming to fix with other methods. The new brackets to attach flower boxes to the railing of our balcony are (like most things purchased) poorly thought out. I have simply constructed spacers that can be clipped …
Tool to open the individual cells of a car battery. As a friend of classic lead wet batteries that you can still maintain and refill with deionized water or sulfuric acid, I was always looking for a reasonable tool to open the cells.This tool is suitable for all common car wet batteries. The contact surface …
Universal battery charging slot for all available types of battery round cells.Any primary or secondary cell can be permanently clamped and connected to a measuring instrument, laboratory power supply or electronic load. The current collectors are pressed firmly onto the battery terminals via the spring, which provides a reliable and reproducible result. This device is …
Introduction Suspension forks and unfortunately many rigid bicycle forks do not have attachment points for low rider bicycle luggage carrier. With suspension forks, it is usually argued that it could come to a swinging and thus to speed wobble. In practice, this depends heavily on the mass on the front wheel and is in fact …
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Commercially available baby monitors are ridiculously overpriced, usually only allow one-way communication and cannot be used for any other application. Once the child has outgrown the device, it is useless. In addition, the radio range of the devices is usually very limited.An alternative would have been smartphone apps or the baby monitor function of our …
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