From the formula (4) in the paper, we can see that when the output voltage of U2 is 0V, the LED is turned on. I want to ask if U2 is a comparator? Because the inverting input terminal is higher than t...
This concept phone was designed by a young Chinese designer, Daizi Zheng. It uses carbohydrates to generate electricity, providing energy support for the work of the mobile phone's bio-battery. This b...
链接:[url]http://cn.mathworks.com/help/hdlcoder/examples/getting-started-with-hardware-software-codesign-workflow-for-altera-soc-platform.html[/url][align=left]This example shows how to use the HDL Code...
Hello everyone, I am new to PIC microcontrollers, using PIC18 series chips (mcc18 compiler), but I can't get through the PIC microcontroller's timer now. The code I wrote with reference to the data sh...
As the title says, please give me some advice, thank you. . . I know I need to modify the interrupt part, because the interrupt mechanism of the two versions is different. I would like to ask for the ...
1. How are floating point numbers stored in flash? (For example, how is 1.2 stored in flash?)2. Is there any difference between saving floating point numbers and integers when writing and reading flas...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]