I started to use the SDK I made myself on PB and wrote the program. Now I have changed to an arm board and need to install Microsoft Pocket PC 2003 SDK.msi to recompile the program to run on the board...
I would like to ask if the serial port callback function of Zigbee is automatically called. I want the coordinator to receive data sent by the serial port. Is it enough to read it in the callback func...
This is the [color=#ff0000]74[/color] series data sheet that I collected. It contains almost all the chips we often use. It is very comprehensive and worth collecting! ! Commonly used [b][color=#ff000...
I have two questions for you: 1. The 8051 microcontroller in cc2530 has a 14-bit ad sampling accuracy as written in the data sheet, but the data I get back from the microcontroller is only 12-bit accu...
The controller uses PIC microcontroller. Now let OLED communicate with PIC microcontroller. I want to display pictures on OLED. The communication method used is I2C communication. After the circuit is...
[align=left][color=#000000] [b]Direct current power supply[/b] is a device that maintains a constant voltage and current in a circuit. Such as dry batteries, storage batteries, DC generators, etc. [/c...
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[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]
1 Introduction
Intelligent software agents are software programs that can perform specific tasks for users, have a certain degree of intelligence, can autonomously perform some tasks, and ...[Details]
Abstract:
Under high dynamic conditions, combined with GEC's twelve-channel correlator GP2021, this paper discusses the structural design of GPS receivers and the key technologies inv...[Details]
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more intuitive. Laser ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
Abstract: In many SCART applications, due to the complex signal switching requirements, dedicated ICs are usually used to implement SCART connections. This will bring cost pressure to single SCART ...[Details]