I installed a program on my PDA via an SD card, and the directory in the program file is \\Storage Card\. But after the installation and restart, the program prompts that it cannot find the SD card. I...
I installed ccs5.1 on my computer. I wrote and compiled the program. I moved it to my laptop and debugged it in the lab. But it still can't compile. It always prompts that program "make" is not found ...
[font=宋体][size=5][color=#000000][b]Foreword: [/b][/color][/size][/font] [font=宋体][size=4][color=#000000] I am very grateful to EEWORLD and the moderator for organizing this microPython development boa...
I want to design a narrow bandpass filter, for example, the center frequency is f, and all waves that deviate from the center frequency by more than 20Hz are filtered out. How can I calculate the coef...
This time the High-Tech Fair happens to fall on a weekend, so if you want to go and visit, I still have a few tickets available. It costs 50 yuan to buy it on site:lol If you need it, you can add my Q...
I use TVP5150 for video A/D conversion. To display on LCD, how can I convert interlaced video to progressive? Has anyone done this before? (I use embedded Linux) Please give me some advice....
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]
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]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[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 to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[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]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[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]