Question: Now there are two buttons (let's say A and B), two sound files (let's say C and D), how can I play C or D randomly when pressing A or B (C and D cannot be played repeatedly. If C is played w...
[align=left][font=微软雅黑][size=5][b][url=http://www.te.com.cn/chn-zh/about-te/ecc.html][color=DarkOrange]About No Creation, No Miracles[/color][/url][/b][/size][/font][/align] [align=left]In the near fu...
Now, I suddenly found a serious problem, that is, the LCD module is driven by 5V, and 430 is 3.3V. Fortunately, I found this major problem before making the board, but I still don’t know how to solve ...
I am working on the remote upgrade of msp430FR6972 recently. The current situation is as follows: I have made a bootloader. The bootloader content only receives the application code by scanning the se...
1. In order to reduce the power consumption of CC2541, SensorTag needs to manually start "broadcasting". If no broadcast request is received within the specified time, the broadcasting will be stopped...
I wrote a WCE Application program in evc, and called the LoadLibrary function in the WinMain function to dynamically load a DLL. When debugging, LoadLibrary returned NULL, but the called DLL existed a...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[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]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]