What I want to realize is a 4X4 keyboard display circuit. My keyboard is connected to the P2 port display circuit with LED (8 bits), and uses (P3.1) serial communication. Now I want to make each key o...
[i=s]This post was last edited by slotg on 2014-8-1 23:43[/i] [align=left][font=SimSun]This article is an exploration of the Blink[font=SimSun] program given as an example in the previous post ([/font...
When measuring the on/off status of the diode, I went to measure whether the ATX power supply 13009 was short-circuited, but I forgot to dial the 220V power supply, and the multimeter exploded directl...
The connection between USB2.0 high-speed transceiver and FPGA requires designing ULPI interface inside FPGA. I read the information of USB3300 and feel confused. I don't know where to start. Anyone wh...
Advantech Technology Application Innovation Forum 2011, in the form of touring seminars and cross-border discussions, has landed in nine major cities including Beijing, Shanghai, Shenzhen, Fuzhou, Cha...
After two days of work, the serial port still cannot receive data. The codes I see online are all reading serial port data continuously. Is there any method similar to interrupt to read serial port da...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]