Let's take a look at some of my personal understanding of HID knowledge points
HID uses endpoints to interact with the PC via USB
Endpoint 0 does not need to be configured and can directly send and re...
Board: beagleboard X15
Uboot version: u-boot-2019.01+gitAUTOINC+8b90adfb16-g8b90adfb16
Question: Where does uboot find the corresponding device tree for the automatic device board? (It seems that ther...
[i=s]This post was last edited by hehung on 2022-3-5 21:58[/i]Preface
This article tries out the RGB colored lights of RVB2601 .
Because the official operation of RGB has been done, this article will ...
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STM32 serial port transmission must first detect the status, otherwise the first byte cannot be sent. After the transmission is completed, it is necessary to detect whether the transmission status is ...[Details]
In this article, I will introduce my debugging experience from the perspective of the control strategy of the servo, for reference by novices, and record the step-by-step process of our debugging as ...[Details]
Spectrum analyzer is an instrument for studying the spectrum structure of electrical signals. It is used to measure signal parameters such as signal distortion, modulation degree, spectral purity, fr...[Details]
The minus sign is incorrect. The timing does not go from -A to 0.
TMOD=0x01;
TH0=-(50000/256);
TL0=-(50000%256);
The following is the correct way to write it: Some books use the minus si...[Details]
Some time ago, we discovered through some code in the Realme Link app that Realme is developing two new smartwatches, called Realme Watch 2 and Realme Watch 2 Pro. Now, Realme Watch 2 Pro seems...[Details]
What I implemented here is the IIC operation in non-interrupt mode It is easy to understand by comparing the data sheet and the code, especially the several program flow charts in the IIC chapter o...[Details]
The Internet of Things is a network that connects and interacts various physical devices and sensors through the Internet. The core idea of the Internet of Things is to enable various devices to ...[Details]
In the process of multi-machine communication, the RS232 interfaces of all devices are connected to the communication line, and only one device can be the host, and the others are slaves. The communi...[Details]
Southwest automobile industry enters high-speed runway with full efforts, CAPAS 2022 seizes the opportunity of Chengdu-Chongqing coordinated development The "Chengdu-Chongqing Economic Circle" wi...[Details]
The height and weight measuring instrument uses high-precision sensors and a voice operation interface. It tells the user how to operate through electronic voice broadcast. It can be implemented with...[Details]
Summary: A rule of thumb is that the bandwidth of an oscilloscope should be at least five times greater than the fastest digital clock rate of the system being measured. If we select an oscilloscope ...[Details]
The control circuit of the LED large-screen display system currently used is mostly composed of a single or multiple CPUs and complex peripheral circuits. This circuit design is relatively complex ...[Details]
Yokogawa and Tektronix both have a run/stop button. After the run is started, the trigger function is automatically enabled. Yokogawa can also scroll in single mode, while Tektronix automatically ent...[Details]
According to market news on October 21, BYD intends to integrate its self-developed intelligent driving team under the New Technology Institute, with the goal of achieving mass production of self-d...[Details]