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2010-5-15 22:35The transistor voltage drop is 1.3V, and it cannot enter deep saturation.PD_DDR |= 0x1C; /* Output. */PD_CR1 |= 0x1C; /* PushPull. */PD_CR2 = 0x00; /* Output speed u...
[size=3][color=#ff0000]I am looking for a BeagleBone Black C version for my personal use as a student. The price is negotiable. Please leave me a message! [/color][/size] [size=3][color=#008080]QQ: 10...
What kind of signals do PA2 and PA3 give, so that VOUT can output a voltage of about 50V? And the waveform is controllable (pulse width, frequency, period, amplitude, etc.) VO1 and VO2 are differentia...
[p=23, null, left][color=rgb(0, 0, 0)][font=verdana, tahoma, arial, sans-serif][size=5]Switching power supplies or LED power supplies are difficult to pass when testing EMI, especially radiation.[/siz...
The raw-os platform has been waiting for an excellent gui originally created by a Chinese. Liuwei's x gui undoubtedly meets this requirement. It can now run smoothly in combination with raw-os. The sp...
[i=s] This post was last edited by dontium on 2015-1-23 13:31 [/i] I recently adjusted the dsp board and found something very strange:6713, set the boot mode to emulator boot, enter ccs, burn the prog...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]