Recently, I used DS12887 to make a Nixie tube electronic clock (52+12887+74HC595), and used protues to simulate it. Now I can write data, and the small box next to 12887 can read the written data. The...
Using the STM USB firmware library to implement multi-endpoint HID transmission, Mouse or Keypad alone, there is no problem!The bus hangs when implementing a dual-interface device!!!!!/* USB Configura...
[i=s] This post was last edited by dontium on 2015-1-23 11:39 [/i] Can any great master give me a tutorial on how to use WEBENCH Designer? I want to design a power supply, but I don't know how to use ...
When a young man was 28 years old, he looked at his photo when he was 18 years old, and thought to himself, "How nice it would be if I were 18 now." So he always sighed for the passing of his youth. U...
I need help: After the synchronous motor is powered on, the rotor keeps rotating 8 or 9 degrees forward, and then 8 or 9 degrees reversely, and keeps doing this cycle. The interval seems to be between...
[font=Verdana] This is main.c. The whole project is just this one source file. Under IAR, why can't I enter the FIQ interrupt? Could you please help me take a look? Thank you. I have been working on i...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
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]
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