Data shows that 95% of all website visitors will not contact the website actively. In other words, most potential customers are lost. The performance of this in business operations is that at present,...
This design is an automotive front-end power supply that provides 16W output to a 12V vehicle battery. The first stage is a pre-boost LM5150-Q1 to maintain a regulated mid-rail voltage of 8.5V during ...
Recently I saw ST's crystal oscillator design guide AN2867
“Load capacitance is the capacitance of the terminals of the circuit connected to the crystal oscillator. This value is determined by the ext...
[i=s]This post was last edited by bigbat on 2019-2-2 15:51[/i] Today I thought I should learn more about PCB design software, so I downloaded [color=#666666][font=Arial, Helvetica][size=13px]Autodesk ...
The idea of spread spectrum communication technology was first proposed by Hollywood actress Hedy Lamarr and pianist George Antheil in 1941. They applied for US patent #2.292.387 based on the idea of ...
Internal structure of MCS-51 microcontrollerThere are two types of microcontroller structures. One is a separate program memory and data memory, which is the Harvard structure. The other is a structur...
On the evening of August 18, Han's Laser released more than 20 announcements in succession, mainly announcing the 2019 semi-annual report, supplementing the construction status of the European R&D an...[Details]
STM32+SSD1963+TFT(FSMC) has been debugged and passed the code. Two points to note: 1. External access addresses need to be added with volatile, otherwise Keil MDK optimization will optimize part of t...[Details]
IO-Link® has the potential to make nearly any factory sensor or actuator "smart," enabling it to communicate and share valuable data with process controllers. This blog looks at why it was develope...[Details]
The output voltage varies according to the situation of each region of the national power grid. The following are commonly used:
(1) 3AC220V50Hz/60Hz input, output 3AC0~210V
(2) 3AC380V50...[Details]
0 Introduction With the widespread application of digital transmission technology, more and more communication test instruments are needed to complete the measurement and debugging of system par...[Details]
APFC (active power factor correction) technology is to replace the passive devices in the rectifier circuit with active switching devices or add a power converter between the rectifier and th...[Details]
Necessary tools: stm32 development board, a book on library functions; (1) After selecting a development board, pay attention to the STM32 model corresponding to the board. Generally, F103ZET6 is s...[Details]
As a low-cost chip, STM8 has been favored by many users. A recent project used the STM8S003F3P6 chip, and its main function was to control PWM output by receiving serial port instructions. Here is a ...[Details]
Seeing that many novices do not understand how to use AVR microcontroller bit variables, here is an I/O port bit operation method for everyone to learn: Here is the macro definition I use: #define LE...[Details]
In order to enhance safety, all walks of life are currently purchasing gas detectors. However, general consumers do not know much about the gas detection industry and do not know how to choose ...[Details]
2015 should be a year of great transformation for China's photovoltaic industry, both in terms of quantity and quality. This transformation is particularly reflected in photovoltaic inverters, one ...[Details]
On March 1, according to XDA, LG announced its withdrawal from the mobile phone market in 2021 and promised to continue to provide software update support for existing devices. LG said that it...[Details]
The power supply of the motherboard has always been the focus of manufacturers and users, and the focus has shifted from the number of power supply phases to MOSFET devices. This is because with th...[Details]
This article proposes an integrated DC/DC converter structure for smart card power supply and analyzes its working principle. The system can achieve 85% efficiency and has sufficient robustness t...[Details]
1: First the Makefile.def:
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In all driver makefiles there is !INCLUDE $(_MAKEENVROOT)makefile.def
Find (_MAKEENVROOT) makefile.def where C:WIN...[Details]