Do the gentle spring breeze and warm sunshine make you want to go outing with your family and friends? The weather has been fine recently, and the pleasant weather is very suitable for outdoor activit...
I'm learning to develop serial ports on WINCE. I need to save the serial port information configured each time and read it again next time I run it. I've read many articles saying that Ce doesn't supp...
Ultrasonic + 1602 display/*================================================ ============//HC-SRO4 ultrasonic ranging module programUse 12M or 11.0592M crystal oscillator, and use 11.0592M TX signal to...
I am a sophomore now, and I need to use zigbee in my project. The function I need now is the one-to-many serial port transparent transmission function of zigbee. I modified the one-to-one routine in t...
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
Introduction
The MAX2116 P1db data is measured at specific combinations of RF and baseband gain over the adjustable range of these two gains. These data can be used to select gain control se...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
In the process of RF transceiver application, adjusting the processing gain (PG) of the direct sequence spread spectrum communication system (DSSS) can obtain excellent anti-noise performance, whic...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is ...[Details]
1 Introduction
In many communication systems, the base station usually sends a training sequence for the terminal to synchronize with the system. The synchronization here includes time syn...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
0 Introduction
With the application of computer technology and network technology and the popularization of intelligent buildings, it has become an urgent need to build an intelligent fire...[Details]
Talking
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