[url=https://bbs.eeworld.com.cn/thread-84966-1-1.html]https://bbs.eeworld.com.cn/thread-84966-1-1.html[/url] This is such an important post, I'm sure everyone has seen it in the forum, and many people...
I want to control the volume of recording through a program under WinCE, and I use a set of mixer functions. I have encountered some tricky problems: 1. The return value of mixerGetNumDevs is 0, which...
I want to use a MOSFET with a withstand voltage of more than 500V, a current of tens of A, and a frequency of more than 1M. What models are there? Can you recommend a few?...
[color=#666666][font=tahoma, Verdana, Arial, 宋体]About the problem of selecting the package when editing the schematic in Altium. For example, the package of HT7133 voltage regulator LDO is SOT89, but ...
When developing programs for PDA, the path to read files should be the path on the device, and the path on the PC is useless. There is no file on the simulator, I don't know what to do? Someone told m...
Since each keyboard scan wastes 10ms of time, I want to use interrupts (connecting each row of keys to interrupt port 0 through AND gates). But how can I design a program that can prevent the CPU from...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[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]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
MCU
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