Zhongshan Zhongli Electronics Co., Ltd. was established in 1990. It is a company specializing in the production of electromagnetic buzzers, piezoelectric buzzers, mechanical buzzers, chip buzzers, mobile phone micro speakers, microphone heads (electret microphones), doorbell speakers, toy speakers, and alarm speakers.
In fact, it is very simple. After initialization, I send a string to the microcontroller. Then I have a program like this in the microcontroller [code] void transmit(unsigned char *dat) { unsigned int...
I bought a 2416 core board with 128M memory, industrial grade. I would like to thank the support of JYX boss, I will sort it out slowly when I have time....
[i=s]This post was last edited by paulhyde on 2014-9-15 03:04 [/i] Why did no team from Zhejiang Province's Group D and Group E enter the first prize candidate list in this National Electronic Design ...
Now the 3.5 version of SensorTag has removed the iBeacon firmware, so is it only possible to register for that license to get the upgraded firmware and source code? Is there any kind person who can gi...
I have been downloading tools for the past few days, because I found that no tool can open the source code, so I finally downloaded all the tools after a few days of intermittent work.I am more concer...
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]
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]
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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]