[color=#000][font=Arial, Helvetica, sans-serif, 宋体][size=12px]RS232 and RS485 are two difficult things to understand, although they are very different. [/size][/font][/color] [b]1. What is the RS-232-...
There is a binary stationary Markov chain. Given P(0/0)=0.8, P(1/1)=0.7, find its symbol entropy. Perform run-length coding. If the cutoff value of the "0" run length is 16 and the cutoff value of the...
Abstract: Digital temperature sensors can directly output temperature in the form of digital pulse signals, and have many advantages such as high measurement accuracy, strong anti-interference ability...
I was recently debugging a 2440 board that I made. The JTAG connection was established and the core was identified as ARM920T. However, the instructions were not executed. Since it was hardware debugg...
PC-type hard disk video recorder crashes in full contact 9. Improper selection of parts causes crashes. A few people use low-quality motherboards and memory when assembling hard disk video recorders f...
Make the following settings for spi to correctly send the waveforms of uclk and simo #include msp430x14x.h
//unsigned char Data[6];
unsigned char flag = 0;
void Init_spi(void);
void main(void)
{ unsig...
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]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
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
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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]
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]
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. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]