Can someone please help me look at Training 10? What's wrong with the following code? The compilation is fine, but after burning, the key triggering the external interrupt does not produce the require
I recently came across a children's reading pen, an electronic device that can recognize specific ink patterns on books.
I searched online and some people said it was OID encoding, but I didn't find a
I just started, and I bought a bunch of second-hand electronic price tags on a certain fish. The ink screen is 2.13
The disassembly introduction of this board is not repeated here, please see the link
2020 is destined to be a difficult year. The epidemic has completely changed our lives. The overall environment is not good, and it is difficult to increase income. The only thing we can be thankful f