In a world rapidly moving towards smart cities, factories and buildings, entrance systems must keep pace with the times. Future entrance systems, such as automatic sliding doors, revolving doors and parking barriers, will use sensor driven solutions to make their systems intelligent, efficient and convenient to operate. Texas Instruments millimeter wave sensor solves the main […]
Monthly Archives: June 2020
FPGA and GPU market competition, who is the overall situation of the future
All along, the main application field of FPGA is electronic engineering. But when Intel completed its acquisition of Altera, one of the largest manufacturers of field programmable gate arrays, things changed slightly. Intel has a strong sense of smell and keen insight into the potential of FPGA. After the acquisition, Intel immediately began to help […]
How to add new users to Linux
We know that Linux is a multi-user operating system. The default root user has a lot of administrative rights. If we want others to use some permissions, we need to create a new user. So how to add it? Here are the commands. How to create Linux users 1. Log in to the Linux system […]
The difference between analog integrated circuit and digital integrated circuit
Semiconductor refers to the material with conductivity between conductor and insulator at room temperature, which is the core of electronic products. According to IC insights, semiconductors can be divided into integrated circuits (IC), discrete devices (diodes, thyristors, power transistors, etc.), optoelectronic devices (optical sensors, image sensors, laser emitters, etc.) and sensors (pressure sensors, temperature sensors, […]
Qilin 985 AI scores released, ranking third in the world
Kirin 985, which has been exposed for many times, is finally coming. Not surprisingly, one of the glory 30 series will be the first model of the chip. Tonight, glorified old bear, vice president of glory business department, said on his micro blog: “after Qilin 990 and Qilin 820, another self-developed chip Kirin 985 has […]
Introduction of some basic knowledge about SSD
Solid state disk is composed of master control, cache, flash memory and PCB. Flash memory accounts for more than 70% of the cost of SSD, so the quality of flash memory is very important for SSD. NAND fall is made from a wafer, which is made of pure silicon (SI). Wafers (such as each small […]
Design of multipoint data acquisition system based on USB data bus
1. Introduction There are many kinds of bus forms for the upper control unit of stepping motor or digital servo motor based on various bus of PC. the high-speed bus can adopt ISA, PCI, USB and other bus technologies. Usually, ISA bus and PCI bus are used. Due to the update of computer motherboard, ISA […]
ITech four series issued together, leading black Technology
ITech recently launched 4 series of 38 product models. It-m3600 feedback source load system, it-m3400 bi-directional programmable DC power supply, it-m3300 energy feedback DC electronic load and it-m3200 high-precision programmable DC power supply. For more users, there will be more choices for testing, Its high power density, small size, high performance, feedback will also subvert […]
Design of a circular polarized microstrip antenna for 2.45 GHz reader fed by slot coupling
Microstrip antenna is widely used in communication and other fields because of its small size, low profile, easy processing and easy integration with circuits. At present, the application of high-performance circularly polarized microstrip antenna is more and more extensive. With the development of RFID technology, there are higher requirements for the size and performance of […]
Communication design of USB peripheral demonstration board based on USB interface chip ch371
preface In the development of USB devices, the most difficult part is the development of firmware and driver. To successfully develop these two parts, we must be fully familiar with the USB protocol, which will take at least five to six months. The ch371 chip of Nanjing qinheng company is an interface chip which shields […]