I want to find a model with 1. Input range 9-12.6V and fixed output at 12V. 2. Fixed output 12V/9mA 3. Ripple controlled at around 10mV. Does anyone have a solution?...
I want to port my 2440 ce5.0 platform bsp to ce6.0 platform. I use vs2005 to open the smdk2440.cec file and want to save it as a pbcxml file. However, an error dialog box appears when opening it, prom...
I need help! I'm using the emulator to debug EVC4.0, but after I click Run, the program doesn't even run, and it says: 'xxx.dll' File not found. This xxx.dll is a dll I wrote and associated with the p...
【Summer Cool Learning】+ What should students learn? I feel a little ashamed to talk about this topic, because my experience is not much compared with many people in the forum, and I am not an engineer...
Job Requirements:1. Execute RF test cases for TD-SCDMA Node B2. Organize and develop HW at board level RF test environment. 3. Responsible for the testing of HW Node B system. 4. Bachelor degree or ab...
2812 has to clear the flag bit after using the interrupt. But I read a book about 28335, and when he introduced the interrupt, he said to "generate" the interrupt by setting the flag bit to 1. I want ...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]