As the title says. I want to make an alarm circuit and use the output of the computer sound card to drive the alarm bell. Is there such an ADC chip? Are there other good circuits or methods?...
I am new to 67XX series chips and need to use DMA transmission. Can experts provide a DMA code for me to learn? Thank you! [email]jyjun9876@126.com[/email]...
I used KernelIoControl(IOCTL_HAL_REBOOT, NULL, 0, NULL, 0, NULL) to restart wince. This should be a warm boot, so the changes I just made to the system should be retained in RAM. But why are all the c...
Activity link: Try STM32MP157A for free, come and play if you want!STMicroelectronics STM32MP157A-DK1 Discovery KitThe STMicroelectronics STM32MP157A-DK1 Discovery Kit enables easy application develop...
[i=s] This post was last edited by tobot on 2019-4-13 00:59 [/i] [align=left]Use TouchGFX to make a Rubik's Cube (Day 3) [/align][align=left]Today I completed the code for the 3d cube. [/font][/align]...
Today I finally have time to play with this board I've always wanted to play with:loveliness: I just searched and didn't find anyone who uploaded this circuit diagram. I'm very interested in first-han...
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]
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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[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]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]