Make a minimum system board: If you have never done ARM development, it is recommended that you do not be greedy and try to complete all the applications at the beginning, because the startup method o...
Recently, I found a board with a power input of 48V, and found a chip XL7005AProblem: 1. The switching frequency of this chip is only 150K. To reduce the ripple, you have to increase the inductance, w...
This paper discusses the method of using phase-locked technology to generate low-frequency signals with high frequency stability, and introduces the design of a low-frequency phase-locked loop functio...
First time posting. The reason for this was the information sent to the mailbox. I browsed through several posts and found that there was an SD card, but I couldn't find a microSD card in the pictures...