1. Basic requirements: 1). Input 12VDC 2) Output 36VAC 3) Rated output power greater than 30W 4) Frequency 45 to 55HZ, use industrial frequency isolation transformer 5) Output has overvoltage protecti...
I have just started learning msp430 and can understand ordinary program codes. Now I want to study in depth and understand the principle and structure of the microcontroller, but I have been strugglin...
I used ADS1115 to sample only 65536, what's going on? (reference voltage 3.3v, voltage base 4.096V, select channel AIN1), this is the configurationchan[0] = 0x90; //write host addresschan[1] = 0x01; /...
Has anyone implemented a large-capacity SD card driver that supports 4G? Which files need to be modified when WINCE supports large-capacity SD cards? Thank you....
[align=left][font=微软雅黑]This device designs an automatic ventilation control system with an MSP430 Launchpad microcontroller as the control center, and proposes a solution to monitor and adjust the tem...
I need to call a DLL from an open source package when developing on Pocket PC2003. The LoadLibrary dynamic call always returns NULL. (The path is set correctly, because I can call the system DLL in th...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[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]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[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]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]