I use a double-shielded cable to transmit signals. The inner signal line (3V sawtooth wave) drives the shield layer (middle layer) after passing through the AD823 in-phase buffer. The outer shield lay...
This concept watch launched by a Korean designer seems to have no dial, and of course no hour and minute hands, only a transparent ring. The designer certainly did not forget about this, but actually ...
After a few days of study, I finally finished drawing the PCB of the CC2540 Bluetooth module. Because I bought the CC2541 Bluetooth development kit, I drew the CC2540 USB Dongle this time. Schematic d...
The program can be displayed normally in the internal oscillator mode, but there is no display when it is set to the external crystal oscillator. I have not found the reason yet, please help me!...
[size=4]CCS7.3 Installation and Use Tutorial[/size] [size=4]Code Composer Studio IDE is TI's integrated development environment. [/size] [size=4]Code Composer Studio Desktop IDE for all TI microcontro...
Just saw this in the reply to the post: https://bbs.eeworld.com.cn/thread-155627-2-1.html "There is not much that can be done with a simple emergency light. It is recommended to add a brightness adjus...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]