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main() { EA=1; EX0=1; IT0=0; while(1) P1=0xff; } void exter0() interrupt 0 { P1=0; } For this simple external interrupt, I directly connected INT0 to ground with a switch. Why does the LED di...
The chip I use is 149, parallel port simulation. It can download when the chip is just soldered, but it can't download normally after a while. It always prompts that the chip cannot be found. I have c...
I received the MSP-EXP430FR5739 development board today, and found that it does not have a traditional JTAG socket. I have a development board, but no CD, and I don't know how to download the program ...
Look, does the city we live in look like a circuit board? What about us? Are we a tiny electron or the current flowing in the circuit?[b][color=#5E7384]This content was created by [size=3]chengxl[/siz...
Zhou Ligong's EDA Experiment and Practice textbook mentions that many test files are placed on a certain CD, but the CD is not sold with the book, but is included in Zhou Ligong's development box, so ...
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
introduction
Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
The evolution of high-speed networks remains guided by the same core objectives: increasing data rates, reducing latency, improving reliability, lowering power consumption, and maintaining or exten...[Details]
When we pick up an unfamiliar object, the first thing we want to know is what it actually does. A drive shaft, as the name suggests, is a shaft that transmits power. It's the transmission medium th...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
With the global number of new energy vehicles expected to exceed 45 million by 2025, the performance boundaries of battery management systems are being reshaped.
Infineon Technologies
'
...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
Relying on Zena CSS and Arm's complete partner ecosystem, we will accelerate the implementation of autonomous driving.
Close your eyes and imagine yourself getting into your car, rea...[Details]
Imagine you're trying to turn left onto a busy road. Car after car passes in front of you, and the long wait grows increasingly frustrating. Finally, a gracious driver slows down and makes room for...[Details]