My board is at91sam9263ek. The mkyaffs2image generated by the official source package for yaffs2 cannot be used. A friendly introduction: U-Boot 2010.06 (Jan 10 2012 - 03:06:32)
DRAM: 64 MiBNAND: 128 ...
The amplification center frequency is required to be 100kHz and the bandwidth is 40kHz. The large signal power supply range should be larger. There are no special requirements for other parameters....
#include
sbit LED1=P0^0; sbit KEY1=P2^1; void main() { while(1) { LED1=~KEY1; }; } This is a program I wrote to control a light with a key. As long as you keep pressing the key, the light will stay on...
[i=s]This post was last edited by 90houyidai on 2022-6-5 23:27[/i]Project name: [ RVB2601 Creative Application Development] + Music SpectrumAuthor: 90houyidaiProject BackgroundRVB2601 uses Pingtouge's...
For STM8, its internal EEPROM is indeed a good thing, and the price of STM8S103/105 is already very cheap. Of course, it can also be replaced by STM8S003/005, and the price is even cheaper, about 1.2/...
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]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
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PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
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LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
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When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]