① It has the function of reflective ultrasonic distance measurement, and the measuring distance is 0.3m~1.5m; ② It displays the measured distance in real time, and the display format is: several hours...
I looked at the CRC check, it seems very simple, and it was completed in a short time, but the results were not right. I downloaded several programs from the Internet, and the results were also differ...
[align=left][font=微软雅黑][size=4] [/size][/font][/align][align=left][font=微软雅黑][size=4]To make it easier for you to redeem gifts with E coins, we have completely revamped the E coins page. At present, t...
Huaqing Yuanjian Wuhan Huaembed Center will hold a "Special Lecture on Embedded System Design Based on ARM Platform" in cooperation with ARM China at Wuhan University from 1:00 to 5:00 pm on April 24,...
[b]I am not familiar with assembly language, so I would like to ask the experts for advice. [/b] [b]#define archResetLimitBit() asm(bfclr #0x40,SR) // (Does this macro define a function and initialize...
Has anyone made a bit error tester? I am making a bit error tester recently and I am stuck on a problem. The problem is that I need to generate bit errors and then detect them. The code types are NRZ,...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]