A creative flashlight that can stand freely. The flashlights we usually buy only have a single lighting function, but this creative multi-functional flashlight can give us more uses. There is a two-ax...
Over time, simulation has evolved significantly in the complexity of the underlying models and algorithms, as well as the capabilities and performance of the simulation engines. Most of the simulation...
[table][tr][td]Vishay - Power Components for SMPS, Wind Turbines, Electricity Meters [/td][/tr][/table][table][tr][td][font=Arial][size=10pt]Vishay Intertechnology, Inc. highlighted its latest power c...
In order to save everyone's cost, we have launched a link to buy parts (https://bbs.eeworld.com.cn/thread-248286-1-1.html). Many friends are afraid of poor soldering when buying parts. Considering eve...
I used MFC smart device application to make a sub-dialog box with buttons and other controls. When I put it on a mobile phone, there was no problem with the interface. But when I put the program on an...
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]
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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[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]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]