[i=s]This post was last edited by Ziyaoqiongtian on 2014-5-20 21:36[/i] In quartus Ⅱ, this program is wrong. Please tell me how to modify it. Thank you very much! module kz(clk1,s1,s2,s8,hour,minute,s...
[size=4] I came to the forum homepage today and found something different. The overall picture seems to be more concise, right? And the homepage also has high-quality articles in the front, and the la...
Contents Part I Basic Concepts 4 1.1 The meaning of each layer of PCB 4 2.2 Analysis of characteristic impedance 5 2.3 Re-analysis of the physical meaning of characteristic impedance 8 Part II Design ...
Most of the cortex-m4 chips have the MPU protection function, but how to make good use of this function is controversial. The author used MPU to implement a mechanism to isolate the various tasks of r...
I use PB6+VS2005 to build CE system. I found a problem. In common.bib; @CESYSGEN IF CE_MODULES_USBSER usbser.dll $(_FLATRELEASEDIR)\usbser.dll NK SHK ; @CESYSGEN ENDIF CE_MODULES_USBSER If I comment o...
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[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]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[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]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]