Here is a calculation method for wireless communication distance in free space propagation: Free space propagation refers to the propagation of radio waves when there is an infinite vacuum around the ...
http://msdn.microsoft.com/en-us/library/dd187531.aspx According to the description of MSDN, how to do it? 1. Pair Bluetooth 2. Use Bluetooth to create a virtual serial port, RegisterDevice. For exampl...
A family photo. Undoubtedly, the arrival of Stellaris has accelerated TI's ARM layout and brought a more powerful competitor to the Cortex series core....
Remote monitoring system of heating network based on GPRS network I. Introduction Central heating is currently widely used in northern China in winter. Thermal power plants send hot water to heat ex...
Now I have only prepared the module of the frequency sweeper. I think the multimeter may not be available, but the digital frequency meter is very likely. How are you doing?...
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[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]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]
Binary translation is a technology that directly translates executable binary programs, and can translate binary programs on one processor to execute on another processor. It makes it easy to...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]
This article introduces the advantages of outdoor full-color SMD display and the performance parameters of the dedicated outdoor full-color SMD used, which will help people understand and promote...[Details]
Abstract Using FPGA control module, the OLED true color dynamic image drive control circuit is designed. The method of using FPGA to realize OLED peripheral control circuit and 256 grayscale is int...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
Wireless Connectivity
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