It is the easiest and most convenient way to upgrade the pyboard using DFU. However, due to an oversight in the parameters of this board, some boards are not easy to enter the DFU mode. The reason is ...
Does WINCE support wm format sdk? If not, how can I convert PCM data obtained from the sound card into WMA or MP3 format under WINCE? How can I call the Windows Media Codecs provided by the system und...
I use the WaitForMultipleObjects function to wait for some signals. The strange thing is that why the waiting time becomes twice the time I set? For example, if I set the waiting time to 30 seconds, I...
In the process of learning Siemens programming software (Step7, WINCC ), if you only use STEP7 programming and WINCC as the interface, it will be boring. We can use the PLC simulation software S7-PLCS...
1. Absolute value function (1) _abs() C code: int _abs(int src) Assembly: ABS Function: Calculate the absolute value of 32-bit data (2) _labs() C code: int _labs(long src) Assembly: ABS Function: Calc...
The program is Ti's 2812 double closed loop and open loop. Different variables are displayed using graphs. It is always a messy graph like this. Please help me. Thank you very much! ! ! QQ: 1097734349...
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[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]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]