I checked the price of LED lamps on the Internet and found that there is a big difference. Some are a few cents per lamp, while others are 0.4~0.5 yuan each. How can I tell the difference? It is norma
I want to reuse a memory, but the two multiplexed signals are in different clock domains (15M and 30M). I use a mux to select them, but during timing, the signals on the memory port always have proble