Technology contributions from A to Z

25 April 2022

Anker 521 Powerhouse - Power for camping, road trips and blackouts

The new giant power bank Anker 521 Powerhouse is not exactly cheap, but certainly practical. In addition to the usual suspects, in the form of one USB-C and two USB-A ports, the Klotz also brings a Schuko socket, a car charger and […]
24 April 2022
EDC knife - Pick of the KW10

EDC knife - a knife you always have with you - my pick of the KW10

Every one of you knows pocket knives. Practical little foldable knives that you carry in your pocket. Experience has shown that pocket knives have 20 functions, 19 of which are not needed. You wear most of the time […]
20 April 2022

USB-C to 2x USB-A adapter from RUXELY in the test

Since I finally decided to upgrade my work laptop and bought a MacBook Pro 2021, I had to find solutions for connecting the existing peripherals. As already mentioned in the article on the swapped […]
19 April 2022

What is a computer virus?

A computer virus is malware that can spread and multiply independently via host programs. This is why the name "virus" was chosen for this type of malware, because the biological counterpart also works in the same way. There are […]
13 April 2022

Shared memory and unified memory: differences, advantages and disadvantages

A so-called main memory is used when individual hardware components in a computer, smartphone, tablet or other device work together with processors and other components. This main memory, sometimes also main memory or RAM (Random Access Memory) […]
13 April 2022
Aufero Lasaer 2

Ortur Aufero Laser 2 on test – laser engraving machine with frame

After my first experiences with the Aufero Laser 1, a laser and engraving entry-level model from Ortur, the manufacturer approached me again. This time it was about the successor model, the Aufero Laser 2 laser multifunction device […]
13 April 2022

Xiaomi Mi Smart Air Purifier 4 and more: air filters against dust and pollen

The manufacturer Xiaomi now also offers the three models of its Mi Smart Air Purifier 4 series in Germany. I myself have one of the predecessors in use and find both the function for […]
12 April 2022

Anker 551 iPad dock with 8 ports in one device

The manufacturer Anker is also involved in the large selection of iPad stands and USB-C hubs for the Apple tablet. The Anker 551 model can definitely be described as a dock, although it can also be used individually as a tablet stand or as a […]
12 April 2022

Aqara Camera Hub G3 – test of the smart surveillance camera

Aqara recently introduced the Camera Hub G3 surveillance camera. In the interior, this can not only be used with remote access and motion and person detection. As a Zigbee hub, it also offers the possibility of up to 128 […]
6 April 2022

SwitchBot - Smart home accessory for curtains, switches and room air

SwitchBot has various products that are designed to relieve you of tasks in the smart home. From opening the curtains on the window to flicking various switches remotely to controlling indoor air quality, everything is […]