[size=5] Recently, the program on the project needs to filter a voltage signal. Although I have some understanding of digital signal processing, there is still a big gap between engineering applicatio
I recently saw a design that connected a resistor between the input and output pins of 78L05. The reason for this was to expand the current, but I didn’t see this usage in the data sheet. I did a flyi
This article and design code were written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original au
[size=4]1. System clock problem: [/size] [size=4] The system uses DCO by default. When using an external high-speed crystal oscillator XT2, you must turn on XT2 yourself, wait for 50us for XT2 to star