Preface
The goals of this project are introduced in the project introduction post, the second and third of which are :
2. Sports and health data analysis: Since Xiao Mi is active at night, when we are
Can someone help me check if this active filter is a voltage-controlled power supply type or a multiple feedback type? Also, if I want to change it to a low-pass filter with a cutoff frequency of 1kHz
[i=s]This post was last edited by sumoon_yao on 2021-6-28 17:34[/i]According to official information, the main chip Hi3861 of the Bear Pi has two IIC communication interfaces, one of which is led out
【Today · Frost Descent】--- "Frost Descent is one of the 24 solar terms. It means that the weather is getting colder and the first frost appears. It is the last solar term in autumn and also means that
In the process of power supply research and development, we will always encounter problems of one kind or another. Here are some experts who have been researching and developing power supply problems