The laptop of Dachuan only has two USB ports, and it is connected to an external mouse and a keyboard, so it cannot be inserted into a USB drive.
So I bought a Green Connected One-to-Four USB expansion slot before, and then plugged the mouse and keyboard on it.
But sometimes after inserting the USB flash drive, the mouse and keyboard connected to the expansion slot will not be used. This situation has happened more than once. The big ship suspected that it was a problem with the expansion slot, but the frequency occurred very low, so the big ship kept holding on.
In fact, there is a Type-C interface on the laptop of the big ship, which looks the same as the charging port of the new Android phone in the past two years.
I heard that Apple Mac notebooks also have this interface, and only this interface can be used on Mac computers to buy an expansion slot to plug in commonly used USB devices such as USB drives. There is also a very important interface on the expansion slot, which is HDMI. Only through an expansion slot with HDMI can Mac computers connect to external monitors. The slot of
is like this picture below.
However, this slot is relatively expensive, costing 149 yuan.
Big ships want an expansion slot with only USB3.0, because Big ships have HDMI and VGA on their laptops, so don't worry about external monitors.
Later, Dachuan looked for this product online and found a 39 yuan one. He was so excited that he almost bought it. However, when looking at the product details, he found that it was falsely advertised.
Because the USB3.0 interface core is usually blue, when you see the blue core, Dachuan thought it was USB3.0. As a result, the interface type behind it exposed its true face.
0 The big ship continued to search online, and later found that a second-rate solution was this line.
This is not an expansion slot. This can only be regarded as a conversion line, converting Type-C to USB3.0, but this is also OK. After all, you can use the Type-C socket on the Dachuan laptop to free up a USB port that can be plugged into a USB drive.
In addition, this cable has another use, which is that it can directly connect the phone to the USB flash drive. This requires the phone to support OTG function, but there are not many usage scenarios.
Fortunately, this line is not too expensive, so I bought it.
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