Question 1:How does uboot pass parameters to the kernel?After thinking about it, go to the bottom to find the answerQuestion 2:How does Linux manage memory?After thinking about it, go to the bottom to...
1. AD conversion error problem of STM32 :Recently, when I was working on a project, I began to pay attention to the AD conversion multi-channel of STM32 C8T6. I started using the ADC continuous conver...
[i=s]This post was last edited by azhiking on 2014-8-6 09:22[/i] 10 years ago, A123 Systems was full of vigor and vitality. No car company had ever considered 18650 (lithium cobalt oxide) batteries as...
[i=s] This post was last edited by Mengxi Kaiwu on 2022-3-23 13:54[/i]Download the Jianchi CDK software in advance, and you can experience the Pingtouge RVB2601 development board. There is an RGB ligh...
来自:[url=https://learn.adafruit.com/animated-flame-pendant?view=all]https://learn.adafruit.com/animated-flame-pendant?view=all[/url]使用Adafruit Pro Trinket和16x9 Charlieplexed LED矩阵屏制作的活动火焰,效果非常好。[b]电路原理...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details 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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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 potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]