The keyboard (such as Pelco KBD-300, or Samsung SPC-1010 keyboard) handle sends commands to the main program through the RS485 serial port. The main program parses and acts on another PTZ device. The ...
The attached figure is a wireless transmitting circuit. The specific function of the inductor L1 inside it has not been very clear, so I bring it out for everyone to discuss and improve together....
When you ask a technical question, what kind of answer can you get? It depends on the way you ask the question.You must understand that engineers only prefer difficult tasks or good questions that can...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[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]
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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
System Introduction
The converter remote data transmission system must collect converter signals distributed in various workshops and send them to the central control room. Wuhan Iron and Stee...[Details]
High-voltage switches are important control equipment in power systems and play an important role in the safe operation of power grids. The resistance of the switch conductive loop is an important tec...[Details]
With the development of the national economy and the improvement of people's living standards, central air conditioners are increasingly widely used in civil and public buildings. While central air co...[Details]
The three-dimensional rotating LED, also known as POV LED, is an electronic product that uses the persistence of vision effect of the human eye to display graphics, animations and other information. I...[Details]
With the rapid development of wireless communication technology, electronic technology, sensor technology and micro-electric system, the research of wireless sensor network has attracted more and m...[Details]
1. Definition
UPS (Uninterruptable Power System) is a voltage-stabilized and frequency-stabilized AC power source with energy storage devices, rectifiers and inverters as the main components. ...[Details]
This article focuses on systems that use electric vehicle batteries to power homes.
The driving battery of the electric car "Leaf" has a large driving battery capacity of 24kWh. When fully cha...[Details]
Abstract: In order to understand the process of decomposing a periodic continuous signal into several harmonic components or synthesizing a periodic signal from different harmonics, a set of simple...[Details]