Now I need an av220 to dc5v switching power supply, the load is a thermal printer, I just started learning, I don't know how to design, I hope some great god can give me a circuit, let me learn, thank...
[i=s]This post was last edited by justd0 on 2021-4-17 00:11[/i]Well, roughly speaking, half a year has passed since I registered for the competition. On such an ordinary working day, a express deliver...
justd0onsemi and Avnet IoT Innovation Design Competition
[i=s]This post was last edited by yaorumeng on 2014-11-28 14:17[/i] The competition is over. I haven't been to TI for a long time. I caught up with the forum activities and went to TI to apply for a f...
[size=4] With the continuous development of communication and information technology, the application pace of short-range wireless communication technology is accelerating and becoming more mature. In...
Modified diskperf example on WDK, see if (irpStack->MajorFunction==IRP_MJ_INTERNAL_DEVICE_CONTROL) { //DbgPrint(("liushuanglin tested for cdb ##############################")); CurSrb=irpStack->Parame...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
As a pioneer in the new smart home concept, robot vacuums have captured a significant market share. Robot vacuums, also known as automatic sweepers, smart vacuums, or robot vacuums, are smart home ...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]
Siemens software mainly includes PLC, frequency converter, human-machine interface, etc. The current Siemens software can be said to be very stable.
PLC series range from the Siemens S5 series...[Details]