[i=s]This post was last edited by qwqwqw2088 on 2018-2-22 11:07[/i] [size=4]Some characteristics and points to note of lithium-ion battery protection board: Characteristics: (1) Main technical paramet...
My graduation project is to design an arm9 board, and I need to draw a high-speed multilayer board. I have searched online for information but found very little. I would like to ask all the experts if...
The AT91SAM9G20 is a 400 MHz embedded microprocessor based on the ARM926EJ-S. In full power mode with all peripherals enabled, it consumes only 80 mW. Compared to the pin-compatible 200 MHz AT91SAM926...
At the beginning of the 21st century, the development focus of the electronic information industry is shifting from computers and their peripheral products to communications, digital home appliances, ...
I saw a good second-hand 4.2-inch Hanshuo electronic price tag on a certain fish website. Before buying it, I thought it would be a good idea to make an electronic wall clock. But after tinkering with...
I used PB5.0 to compile the kernel on CEPC. The system booted successfully, but the hard disk and optical drive failed to initialize (the optical drive and hard disk were not found). I did add the cor...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Analogue and Mixed Signal
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