Sir Apfelot Blog

15 July 2022

What is Micro USB? Advantages and disadvantages of the connector

Micro-USB is a miniature version of the Universal Serial Interface (USB) designed to connect compact and portable devices such as smartphones and MP3 players. There are five different types of USB connectors: Micro USB Type A (the original), […]
15 July 2022
Thunderbolt 4

Information and alternatives to the Apple Thunderbolt 4 Pro cable

What is Thunderbolt 4? How is it different from previous generations? Which cables should I buy? Do I absolutely have to use the Apple Thunderbolt 4 Pro cable? Here is a brief overview of the features […]
6 June 2021
iMac fan is constantly loud

Solution: iMac fans are loud and run continuously

Until now, I always thought that it was due to a defective or improperly connected temperature sensor when the fans on the iMac are running at full speed. Today, however, I learned that something else - completely [...]
13 May 2020
How fast are the different USB standards?

How fast is USB 2.0 compared to USB 3.0?

Since I wrote an article about Y-USB cables yesterday, I had to research how fast USB 2.0 actually is compared to USB 3.0. Among the Y-cables there are those that support USB 2.0 and [...]
12 May 2020
USB accessories require too much power and are deactivated

Mac problem: USB accessories with high power consumption will be disabled

A reader wrote to me this morning that his Mac threw the following message every time he plugged in the DVD player: USB accessories disabled. Disconnect high-power accessories to activate USB devices. Regardless of which port the device is connected to [...]
1 April 2020
USB load resistance

USB load resistor: what can it do, what is it intended for?

In my power bank tests, like recently the Charmast power bank, a USB load resistor is regularly used. In this article I would like to explain to you what kind of thing it actually is and what - in my [...]
6 March 2019

Big confusion: USB 3.2 comes in three versions

Instead of USB 3.0 and 3.1, there is now only USB 3.2, but in three versions. How the individual versions for universal connections, plugs and cables differ, I have summarized that for you here. Because […]
18 December 2018
The BigBlue hand warmer convinced me with its warmth, flashlight and power bank function (photos: Sir Apfelot).

In the test: BigBlue USB hand warmer with power bank and flashlight function

Cold paws in winter are not nice. And even if I'm not a big fan of Christmas markets, there are often enough walks or work around the house that make my fingers [...]
7 November 2018
Electric LED tea lights in a practical test - what good are the rechargeable candles?

In the test: rechargeable LED tea lights with a battery in a set of 12

Some time ago I had a blog post about LED tea lights with timers, in which I presented the best models from Amazon. Now, shortly before Halloween, the time had come for me to [...]
13 January 2018

Nintendo charging cable with USB plug as an alternative for 3DS, 3DS XL, 2DS, DSi, DSi XL consoles

Unfortunately, there are a lot of cables going through the Wupper at the moment, because my two little cats seem to want to get rid of their milk teeth and gnaw on everything that is not in the trees with three. Among other things, [...]