My c8051f320 usb demo board uses bulk and interrupt communication modes, with a communication rate of up to 1.5Mb/s (programmed using vb6), http://c8051fmcu.blog.sohu.com...
One day, a crane operator in our factory hit a truck while operating it. It was very serious. It was said that the truck was not braked at the time. Our truck was controlled by a frequency converter. ...
Experts, I need -5V power supply for 7135 chip. But transformer can only provide +5V voltage. How to convert +5V to -5V? Can it be realized with chip? Experts, please give me some advice. Thank you. O...
2006/6/12 Practical Information Part 3 - Review of Five Short-Range Wireless Interconnect Technologies
2006/6/30 [Classic Book] Bluetooth Core Technology (for reference by researchers and developers i...
1. The power supply uses an AC-DC5V transformer. A self-recovery fuse is added at the entrance of the board to prevent short circuit and other faults in the circuit. A 10uH inductor is added to the in...
Hello everyone! I have a chip in my hand, which should be a single-chip microcomputer, packaged as QFP, 80 pins, and the silk screen content on the chip surface is as follows: 7CF5V6T[u]G4[/u] 6502130...
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
What are your expectations and ideas
for
the future of
Xiaomi Mi Band
?
Xiaomi Mi Band’s
official Weibo shared many netizens’ thoughts on
the future direction and functions
of Xiao...[Details]
I have been working on a stm32 project recently and have been struggling with its startup method. I saw a good article and reposted it. The format of the original article is not very good, and there...[Details]
Manually assemble the following program machine code and analyze the execution function of the program segment. CLR A MOV R2, A MOV R7, #4 LOOP: CLR C MOV A, R0 RLC...[Details]
It is required to use timer/counter 1 for timing, with a timing of 1 second; timer/counter 0 for counter, and the external pulse to be counted is connected from P3.4 (T0). The microcontroller will co...[Details]
;The hardware connection circuit of the 51 single-chip microcomputer is as follows: ;P1.3 and P1.4 are each connected to a button; ;P0.0 and P0.3 are each connected to a light-emitting diode; ;P2.0~P...[Details]
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