For the purpose of practicing, I connected the cable to the SD card interface of a cabbage card reader. The read and write speed is only about 10MB, so it can be used. After actual testing, the effect after flying wires is that the length of the flying wires and whether they are

dismantled a 16G eMCP memory from a scrapped mobile phone. For the purpose of practice, he connected it to the SD card interface of a cabbage card reader. The read and write speed is only about 10MB. You can also make do with the

eMCP pin definition (mirrored to the bottom view). ) and the SD interface definition

. After actual testing, the length of the flying wires and whether they are of equal length have little impact on the reading and writing speed.

After several tossing, two pads of the memory chip were removed, so we had to glue them. Fixed

There is nothing on the back of the cheap card reader

The effect after shelling

Actual test of reading and writing large files is about 10MB, and it is even worse for small files. It is estimated that the performance of the card reader is not good, and the memory chip should be faster than this speed

Actual reading and writing The speed is almost the same as the test.

copied a 4.2G system image into it. Although the speed is slower, there are no errors.

finished.

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Author: jason022

Source of this article: Digital Home