[i=s]This post was last edited by VincentLee90 on 2019-10-13 21:34[/i]Some problems encountered when using spartan6 PLL IP CoreProblem 1 : The external clk is used as the global input clock to provide...
Dangdang.com is having a discount promotion again, and I couldn't help but buy it again. I happened to see the administrator online, so I considered using E coins to exchange for 6 books, which is not...
How can I most effectively avoid arcing damage to the two contacts when the two contacts of the relay in an electric energy meter are opened or closed?...
What is a wireless network?
Generally speaking, Wi-Fi refers to wireless LAN technology that utilizes the IEEE 802.11 standard for communication. Wi-Fi products use radio waves to transmit data from c...
Hello, I have a biological weak signal of 10uA, frequency 1K, amplitude not exceeding 0.5V. I want to use RC522 to send itto the corresponding mobile phone and display the current value through a dedi...
Taking the setting of external interrupt 2 (EINT2) as an example, the setting of the ARM7 interrupt register and the writing of its corresponding interrupt program are as follows: //Set the interru...[Details]
Light-emitting diodes ( LEDs
),
which are gradually replacing traditional incandescent bulbs and fluorescent lamps
, have advantages such as low pollution, low power consumption, high ...[Details]
Abstract: Based on the current status of medium frequency inverter technology and the principle of medium frequency inverter power supply, a high-power medium frequency inverter resistance welding ...[Details]
How does a laser rangefinder work? Laser rangefinders generally use two methods to measure distance: pulse method and phase method. The process of pulse method distance measurement is as follows: the...[Details]
According to the 2019 Global Lithium-ion Battery Pack Price Survey Report released yesterday by research firm Bloomberg New Energy Finance (BNEF), the average price of global lithium-ion battery pack...[Details]
The 10th anniversary celebration of Bronze Sword Technology was held grandly at Shenzhen Wuzhou Hotel. Representatives from shareholders, investment institutions, partners, industry associations and ...[Details]
Grating types and structures
A grating is a photoelectric device composed of many equally spaced light-transmitting slits and opaque lines that are evenly arranged alternately. According to th...[Details]
Innovation is an eternal theme. With the development of computer technology, communication technology and control technology, the traditional control field is undergoing an unprecedented transformati...[Details]
The most commonly used measuring tool for color TV maintenance personnel is the multimeter. For general faults, the fault point can be found after measuring and analyzing the voltage range of the m...[Details]
Specific implementation functions The system consists of STC89C52 single chip microcomputer + signal input + 74HC14 shaping circuit + 74HC390 frequency division circuit + LCD1602 display module + pow...[Details]
0 Introduction
The parallel active power filter is a new type of power electronic device used to dynamically suppress harmonics and compensate reactive power. In recent years, the the...[Details]
In order to connect the electricity generated by solar cells to the mains power grid, a three-phase power conditioner is required. This article introduces a three-phase power conditioner with a DC ...[Details]
The power supply of this machine is also very simple, using RC filter circuit, because the push-pull amplifier circuit has a strong suppression effect on the power supply ripple, and does not use...[Details]
Dynamic storage allocation In the chapter on arrays, we have introduced that the length of an array is predefined and remains fixed throughout the program. Dynamic array types are not allowed in C la...[Details]
Temperature sensor is a sensor for measuring temperature, which is widely used in industry, scientific research, medical treatment and other fields. According to the different wiring methods, tempe...[Details]