I have just started to use ARM and am currently using the S3C44B0 development board. I don't know what to modify in the rc under uclinux. _dev/ram0 /var mount -t ext2 /dev/ram1 /ramdisk chmod 777 /ram...
I am currently using this software and I feel very good about it. Now I will briefly talk about the cracking method. This method is suitable for users who have cracked Altium Designer 6. In fact, it i...
The files include: 51 MCU serial port initial value calculator 51 MCU timer initial value calculator ASCII and base conversion V4.0 Serial port debugging assistant V2.2 Digital tube calculation softwa...
I can't upload pictures now, so I have to post the Taobao link. The prices of the following items do not include shipping costs. If you are interested, you can order them on Taobao and notify me to ch...
A useful CAN bus debugging tool The CAN bus debugging tool is a CAN bus debugging tool with a USB2.0 interface and one CAN interface, which can perform bidirectional transmission. It can be used as a ...
When using 149 to do AD experiment, I can't adjust it no matter what. After jtag debugging, I found that ADC12SC is not set, that is, the ADC12 core is not started. ENC and other bits are already set....
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
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]
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]
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]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[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]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[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]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Linux and Android
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