My program uses a separate thread to poll the serial port to obtain data. At first, I could obtain GPS data such as $GPGGA $GPGSV $GPRMC normally. Later, I could not obtain them for unknown reasons. A...
Opportunities and Challenges:
LED TVsin China are growing steadily, and LED sales are rising
Market data:The sales volume of LCD TV market was 7.025 million units, a year-on-year increase of 41.89%; S...
The host computer has modified the Ethernet IP address in the bottom configuration. If the board does not restart after the modification, is there any other way to let the board continue to communicat...
Mini2440 Driver Analysis Series--------------------------------------Mini2440 Touch Screen Program Analysis By JeefJiang July, 8th, 2009 This is the third article in the mini2440 driver analysis serie...
The LED light at home is broken. Refer to the suggestions of previous netizens and you can replace it.
So I took it apart and looked at18W LED light
After disassembling the PCB, I found a bad pixelIt ...
【Platform:】 2440+wince5.0 【Purpose】: To make the CE device appear as a mobile device (U disk) when connected to the PC via USB! Because the USB function driver in my BSP only has serial function and c...
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]
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]
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]
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]
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]
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]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]