240-804-07M9-19PSCBD

Download the complete code http://www.51hei.com/f/51crc16.rar   #include "at89x52.h" /***************************************************  * Type definition to facilitate code porting  ****...[Details]

With the continuous advancement of chip manufacturing technology, chip packaging has become more and more complex, especially in automobiles and embedded devices. These devices are usually small in...[Details]

In Power Tip #42, we discussed emitter trackers used in MOSFET gate drive circuits and saw that drive currents in the 2A range can be achieved with small SOT-23 transistors. In this design tip, we loo...[Details]

Robots may one day be able to chat with each other, write news and even novels, and algorithms will give robots personality. So, how will machine learning change the world? Are there any problems tha...[Details]

3月22日，中安能源（安徽）有限公司（以下简称“中安能源”）与武汉蔚来能源有限公司（以下简称“蔚来能源”）在合肥签署合作协议。中安能源董事长吴海与蔚来高级副总裁沈斐代表双方签约，皖能集团党委书记、董事长陈翔，蔚来创始人、董事长、CEO李斌等共同见证。 According to this agreement, the two parties will carry out al...[Details]

　　The full name of FLASH is FLASH EEPROM, but the operation method is different from that of regular EEPROM. 　　The biggest difference between FLASH and EEPROM is that FLASH operates by sector, whil...[Details]

There may be various faults in a car, such as a fault light on the instrument panel, the car being unable to start, strange noises coming from the car, etc. The vast majority of these fa...[Details]

For the past 15 years, many have predicted that the 8 -bit microcontroller would soon be gone. However, this was one of the most miscalculated predictions in the el...[Details]

When using a voltmeter to measure voltage, you should pay attention to the following: 1. When measuring voltage, the appropriate range should be selected according to the size of the voltage being me...[Details]

STC12C5A60S2 MCU IO port working mode setting 　　All I/O ports of STC12C5A60S2 series MCU can be configured by software into one of four working types. The four types are: quasi-bidirectional port ...[Details]

PCI Express is a high-speed serial I/O interconnect mechanism that uses clock data recovery (CDR) technology. The first generation of PCI Express specifies a line rate of 2.5Gbps per channel, which...[Details]

According to the latest news from blogger @菊厂影业Fans, Honor mobile phone will soon launch its own browser, which has now entered the testing phase. 　　The blogger also said that the Honor browser wi...[Details]

Scientists have broken the efficiency record for tandem silicon-perovskite solar cells - surpassing the 30% milestone for the first time. The new record pushes the technology beyond the upper limits ...[Details]

1. Structure and working principle of matrix keyboard 　　When there are many keys in the keyboard, in order to reduce the occupation of I/O ports, the keys are usually arranged in a matrix form, as sh...[Details]

The voltage-controlled switching power supply is a single-loop automatic control system. Figure 1 (a) shows its block diagram. The main circuit of the switching power supply is powered by the recti...[Details]