As shown in the figure, LM2596 inputs 7.2V DC, stabilizes to 2.8V, and gives me the lower MCU system to work. The lower system works normally at normal temperature. But I put the system in the refrige...
1: Does the external crystal oscillator generate a square wave or a sine wave? 2: Is the PLL clock inside the system a square wave or a sine wave? 3: If it is an asynchronous fifo, one clock is the ex...
This is the STC89C5X download cable that I made after spending several hours. It may be a little crude, but it has been verified to be usable! Attachments will be added in the evening [[i] This post w...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:45[/i] [size=12px][size=12px] [size=14px]On May 22, the press conference for the 2009 NEC Electronics Cup National Undergraduate Electronics ...
[align=left]Just saw a news story - Fujitsu Semiconductor and Leica jointly announced the successful development of a new generation of digital camera image processor MAESTRO II. The processor is deve...
I am a crazy cat, an absolute mechanical enthusiast, but I know nothing about electronic circuits. I look at circuit boards and schematics as if they were works of art. I ask for help from friends on ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
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]
Power technology
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