If you create a new project and get an error like the one shown in the figure after compiling,try to modify this place and see if there is an option for floating point support here!...
I use WIN 6.0, and the system can switch between Chinese and English. The Chinese characters in the QR code are displayed as garbled characters when switched to Chinese, but they are displayed normall...
1. Use two dual four-to-one data selectors and NAND gates to realize the conversion from cyclic code to 8421BCD code. 2. Use a 74LS148 and NAND gates to realize the 8421BCD code priority encoder and d...
I posted before, but I can't reply to it. Because it's very urgent, I'm asking again [Is there anyone who has transplanted FLASH player to WINCE? ] http://topic.eeworld.net/u/20070702/14/9d45b749-db60...
[b][color=#0000ff]quanzx[/color][/b] and [color=blue][b]rockyltp, hello: [/b][/color] [b][color=#0000ff]I used 3842 to make 8.4V/2A and 4A, 16V/2A chargers, and two situations occurred. [/color][/b] [...
I am working on a mirco sd card recently, using stm32f103vb. It does not support SDIO function, but can be implemented with SPI. But I saw that the STM3210B-EVAL in the st routine Mass_Storage also us...
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
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]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]