I want to patch the uboot file. It was originally a compressed package. After decompressing it in Linux, I ran the patch command and it said that some file contents could not be found. Then I decompre...
I wrote a small code as follows. When calling the clear_screen() function in the init() function, I forgot to write the parameters. The compiler did not report an error during compilation. Haha, has a...
[i=s]This post was last edited by littleshrimp on 2021-12-11 12:21[/i]It is very convenient to use Verilog to implement loop position, almost just one instruction
led_shift = {led_shift[14:0],led_shif...
When compiling a stream program with PB5.0, the following error occurs: [color=#FF0000]BUILD: [01:0000000038:ERRORE] NMAKE : U1073: don't know how to make 'C:\WINCE500\PBWorkspaces\2410\WINCE500\smdk2...
Create TFFS in flash (without bootrom), after adding components, tffsShow shows that the id is correct. 1. usrTffsConfig(0,0, "tffs0") returns -1. sysTffsFormat returns -1. The problem lies in sysTffs...
[i=s]This post was last edited by qwqwqw2088 on 2021-3-9 08:25[/i]Now more and more netizens are using KiCAD to draw, because it is a free, open source PCB design tool, and as more and more people use...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]