Previously, LCD1602 was used, but due to problems with the display screen, it was replaced with LCD12232 from Hualing Optoelectronics. The LCD driver IC is ST7920, and the data line uses 4-wire mode. ...
I have a LMS221 laser ranging system from sick and a DSC200 high-speed acquisition card from quatech. There is no problem using the radar's own debugging software, but I can't read the data using the ...
[i=s]This post was last edited by the Great Inventor on 2017-2-20 13:57[/i] EEEFK1V101P [url=https://industrial.panasonic.cn/ea/products/capacitors/aluminum-capacitors/aluminum-cap-smd/]https://indust...
I am confused about some issues regarding PCB wiring. I hope you can discuss them, share your own experiences, and give me some guidance. Issues to consider in PCB wiring include line impedance, capac...
I want to count the number of interrupts in an ISR, and then read the value in another thread at intervals and clear it to zero. How can I achieve this? I hope you can explain it in detail. I still ha...
IntroductionConference calls are an important service in telecommunication digital switching systems, which can enable multiple users to talk at the same time. In the past, conference calls were mostl...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]