Apple announced last week that it will allow users to repair their products by purchasing parts from Apple. Apple plans to launch the program in the United States in early 2022, and some details have
As we all know, PCB boards are prone to bending and warping when passing through the reflow oven. So how to prevent PCB boards from bending and warping when passing through the reflow oven? The follow
[size=4][color=#000000][backcolor=white]Impedance matching is a common concept in high-frequency design. This article provides a good analysis of this "impedance matching". It answers what impedance m
(1) Memory expansion: Capacity requirements. When selecting, the internal memory resources of the MCU should be considered. If the requirements can be met, there is no need to expand. When expansion i