Dear experts, I'm studying the USB program of stm32 recently. In the DEMO program usb_endp.c of virtual com port, there is a programvoid SOF_Callback(void){static uint32_t FrameCount = 0;if(bDeviceSta...
[b]See the pictures on page 4[/b] Location: Beihang Table Tennis Hall. Time: To be determined. Bet: Winner gets 2 popsicles, loser gets 1 (sponsored by soso) A little bit arrogant~~~Haha, if you are n...
Since about the 1980s, many industry experts have claimed that analog circuits have reached a dead end and that digital applications will shine in the electronics world, including integrated circuits ...
Currently, Ethernet and Wi-Fi are widely used in the IoT world. The demand for related network applications is increasing year by year. In addition to Ethernet and Wi-Fi, wireless transmission interfa...
I use a single-chip microcomputer to transmit division ratio and other data to a frequency synthesizer. I would like to ask: when the power is off, does the frequency synthesizer save the division rat...
1. What is DTU?
Answer: DTU is the abbreviation of Data Terminal Unit. In a broad sense, during communication, the module units responsible for sending data information at both ends of the data transm...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]