Didn't they see the five-star red flag flying on the Pingtung Ryukyu fishing boat "Guangdaxing No. 28" that was attacked by a Philippine government ship with machine guns? When the fishing boat was wi...
I have been working on high-frequency filter circuits recently, and the calculated inductance values are all relatively small, so I wondered if I could wind an inductor of a few nh to tens of nh by ha...
As shown in the figure, when I was doing DRC to detect electrical errors, it said that there was a problem with the distance between the third and fourth pins, which violated the established rules, bu...
[i=s]This post was last edited by qwqwqw2088 on 2021-11-24 08:26[/i]1. Buck circuit:1.1 Power InductorFor most applications, an inductor of 1H to 10H is recommended with a DC current rating at least 2...
Dear experts passing by, I have a question: I installed Tornado on the host computer, which has a Pentium processor, and made a project. Then I connected the host computer and the target computer thro...
[i=s]This post was last edited by zxw1126 on 2020-1-3 16:37[/i]In a blink of an eye, 2019 will become a memory of history. Standing at the end of 2019, recalling the experiences of this year, fresh me...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + 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: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]