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...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
The 8051 microcontroller is the most common microcontroller we have. I have been using 8051 for a long time and have also taught microcontroller courses for a period of time. Here I would like to s...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
O Introduction
For people who are in the wild, a question that they are more concerned about is the altitude of the place where they are. However, there are very few such products on the mar...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
Embedded System
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