When F417 is powered on, the LCD displays garbled characters, which slowly disappear after displaying. If you touch the two legs of the crystal oscillator with your hand, it will display normally. Aft...
The manual states that (1) the power supply range of HC393 is 2v~6v and the power supply range of HCT393 is 4.5v~5.5v. Are there any differences between these two types? (2) For digital signals within...
The W801G module is small in size and can meet the requirements of small space in practical applications? SMT packaging suitable for customer applications? Embedded with powerful TCP/IP protocol stack...
QII can generate .VO files. For functional simulation, we can comment out one of the codes about loading the sdo delay file, that is, we can turn .vo into a file for functional simulation without addi...
As long as it is from this series, this chip has 68 pins, but I found a 16c554 chip on the Internet that has 18 pins. Does anyone have this chip information? The project is quite urgent! Thanks in adv...
The implementation of the sharpening algorithm on the DSP TIDM642, some of the previous work is summarized here.
1. Choice of DSP Platform
1.1 DM642 Evolution Module
Select the existing DM642 Evolutio...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
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]
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[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. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]