For example, a vending machine should give change to customers when customers pay for things. The program needs to do the subtraction of AB. When no one is shopping, it is disturbed and runs abnormall
I have made some things in the past few years. When I was having some fun, I found that the same resistance value was used in many places. I found it very subtle. I thought that this thing is very goo
In Chapter 4, we mentioned that we can start from the power supply layer to achieve the goal of controlling power consumption from the source. In this chapter, we will talk about the CPU working mode