The WinCE device supports full-speed mode, but not high-speed mode. It is compatible with USB2.0. However, when the device is connected to the PC and enters storage (i.e. the device is used as a USB d...
[size=4]As we all know, it is not easy to learn simulation, and it is even more difficult to learn simulation well. Now, let's start the simulation learning journey with us! Write a reading note to wi...
My machine is Windows XP. I used the USB port to create a virtual serial port and connected a modem. Under normal circumstances, a standard 33600bps modem must be added in the Control Panel->Phone and...
Most of the components are placed on the PCB Toplayer. Is it better to place the ground layer on MidLayer1 and the power layer on Midlayer2? In actual PCB design, is Midlayer1 closer to the Toplayer t...
If you find any spam ads, you can also post them here to expose them. When the administrators and moderators see them, they will deal with them immediately. Some will be deleted directly, and some wil...
[img]http://img13.tianya.cn/photo/2008/6/20/8582001_15343983.jpg[/img] What is the difference between the two circuits in the figure? What I need now is a 10V reference source. The method in the figur...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[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]