Robot pencil sharpener, powered by pencil shavings. Today's students are really tired. Although computers and the Internet provide them with many new ways of entertainment, the most interesting thing
L and H are pulse outputs in turn, 5V frequency is adjustable, L is high, Q1B1's E has a small square wave, and it increases with the input voltage, the lowest is 1V, the frequency is similar to the o
I am using the DE1 board, and I am using the DE1-SOC-SD.img Linux image file provided by Terasic. I want to change its device tree and Preloader. How can I modify it? Please help me!!!