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...
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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]
According to the National Shipbuilding Industry Economic Research Center, the total shipbuilding capacity in my country last year was about 9×106t. The new ship orders exceeded 17×106t, accounting ...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
1. Introduction
Diesel engine test is the last key process in the diesel engine production process, which plays a very important role in the manufacturing quality of diesel engines. Its main c...[Details]
The coking workshop of Tianjin No. 2 Gas Plant is the core of the whole plant's production and an important source of economic and social benefits. Its production automation level and management an...[Details]
1. Composition of product standard system
LED is a new type of lighting appliance product. LED products include the LED itself, the supporting control devices and the lighting products that us...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
1 Introduction
In recent years, the application of LED display screens has developed rapidly, promoting the progress of LED driver ICs. Based on the high reliability of LEDs and the consistenc...[Details]