[size=3][b]How to calculate the heat sink? [/b][/size] [size=3][color=#008000][b]1. Design the heat sink using 7805 (TO-220 package) as an example [/b][/color][/size] [size=3] Assume I=350mA, Vin=12V,
The board is Squirrel's STM32, without JLINK JTAG, it's a bit old, but the functions are still usable. Now I can't use it, so I'm sending it to the forum friends who need it! ~ Requirements: 1. Pay th
We are a company in Wuhan that makes instruments and meters, and we have two branches abroad. The instrument control uses the ARM system. We are required to be proficient in programming the ARM chip S
As shown in the figure, what is the function of the output terminal connected to the in-phase input terminal through a resistor, and the reference voltage is input to the reverse terminal. If I feed t
The company has outsourced work. If you have experience in this area and want to take the job, please contact QQ: 13258932: On ARM+Linux, you already have root privileges. Use ptrace to inject a so in