I want to output signals from the parallel port to control the movements of external mechanical devices. Can I do this after learning WDM? I have two books, one is "Detailed Explanation of Windows Dri
Hello everyone, I want to add two addresses, how to achieve it? For example, there are two pointers *a, *b, pointer a's address is 0x1000, pointer b's address is 0x80000000, how to achieve the additio
The Hong Kong government's "Food and Drugs (Composition and Labelling) (Amendment: Provisions on Nutrition Labelling and Nutrition Claims) Regulations 2008" will be implemented on July 1, 2010. At tha
I would like to ask the experts, the specific performance of this TTL level is that the frequency goes from low to high, and then from high to low, with a maximum of 100K. The high level of each level