An insider of Sina who did not want to be named said that Chen Zhihua had just started a long vacation. 0w/b3z3{6O portal, B2B, C2C, Baidu, Google, network editor, market person, rumor, insider, compl...
The chip is: ATmega88PA. The following problem occurred during downloading: Verifying Flash...Failed! address=0x0040 expected=0x68 actual=0xff. I don't know how to set it. I'm so anxious....
The test environment is a 485 host responsible for sending instructions to 7 slaves in a continuous cycle. After the host sends the instruction and receives the correct reply from the slave, it sends ...
As the title says, some pins are input pins, and some pins are output pins. But why do we need to set the properties of some pins to pull up or pull down? What are the functions of pull up/pull down? ...
[font=宋体] Light-emitting diode (LED) lighting has opened up a new world of innovation, comfort and customization. These design opportunities are rapidly increasing the extent and speed of LED adoption...
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[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]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
Embedded touch screen device is a human-computer interaction device. Generally, the touch screen is installed on the LCD screen. The microprocessor is used to control the touch ...[Details]
The basic principle of solar power is: the collected light energy is converted into electrical energy and stored, and the stored electrical energy is released when the load is turned on. A typical ...[Details]
8051 is the representative of traditional CISC architecture microcontrollers
,
while PIC is the masterpiece of modern RISC architecture microcontrollers.
Although the RISC architecture is recogn...[Details]
1. Research status of single-phase grounding fault in small current grounding system
There are many methods for selecting lines for small current grounding adopted at home and abroad, whic...[Details]
Currently, more and more home appliances are migrating from low-speed dial-up Internet access to broadband Internet access or Internet Protocol Television (IPTV), and IPTV is expected to develop ra...[Details]
For our previous application testbed, we used a controller board developed in-house, but this board required a separate compatible toolchain to download the applications. In addition, the user interfa...[Details]
Low power mode Sleep, enter low power mode by executing a sleep instruction. If enabled, MDT will be cleared to 0, but still keep running. TO (STUATUS ) bit is set to 1, PD bit (STUATUS ) is cleared t...[Details]