GM4151 is a telephone call chip with hands-free calling function. It includes the functions that an analog call chip should have. With the ringing and dialing chips, it can form a complete telephone. ...
Dear friends, there are only projects and sch library in the left column, but no pcb library. I cannot edit and add components in the pcb library, etc. How do I bring out the pcb library editing windo...
Please help me, I want to realize the mutual communication between 51 and 430. Now 51 works on 5V and 430 works on 2.5V. Is there any device that can convert between these two levels? The 7404 I use g...
The PCB sample board of the industrial "safety" control system based on Hercules is finally back! It's a pity that there is an icon on the PCB that is not made! The first TAOBAO sample...
1. Select pin function -- PxSEL, PxSEL2PxSEL2 PxSEL pin function0 0 Used as IO port0 1 Used as the first function pin1 0 Reserved, refer to the manual of the specific model1 1 Used as the second funct...
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[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]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[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]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]