I recently wrote the USB driver for my phone , Motorola L6, on 2440. Now the driver can be loaded. It can also read data and device descriptors, etc. But there is a problem that every time I unplug my...
Use the following circuit diagram to build an AC-DC conversion circuit. It is found that during the experiment: 1. The input signal frequency f=10KHz, the amplitude is about Vin=5Vpp sinusoidal signal...
A: I have blocked these two in the device tree, and now they are all changed to LEDs.B: I need to change them to GPIO in iomuxc.A: I have blocked and even deleted them in the device tree, why doesn't ...
Proteus ISIS is a circuit analysis and physical simulation software developed by Labcenter, a British company. It runs on the Windows operating system and can simulate and analyze (SPICE) various anal...
Brothers who work in electronics will come into contact with all kinds of wires, PCB copper foil circuits, chip pins, etc. that need to be soldered, bridged or repaired... How fine is the finest work ...
Help: How is the internal AD conversion performed in the ez430-RF2500 development board? Why is the data obtained after the sine wave I input is different from the data I calculated after the internal...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]
At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
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