I designed two circuit boards, which use 485 communication. Both use the MAX3471 485 conversion chip. The power supply voltages are 5V and 3.3V respectively. During the test, I found that the communic...
The use of digital multimeters has become very popular, but in common books on electrical technology, the measurement method of semiconductors is mostly using pointer multimeters, and the use of digit...
[i=s]This post was last edited by johnrey on 2015-7-15 21:23[/i] [color=#000][font=Tahoma,]LPC810 has many timers, including SCTimer, MRT, systick, WWDT and WKT. SCTimer looks complicated, so let's pl...
[size=5][color=red]Recently I found that when uploading large data to the forum, the speed is very slow. [/color][/size] [size=5][color=red]I wonder if there can be a small fast upload tool in the for...
Circuit Design Technology and Techniques (Second Edition) - Foreign Electronics and Communications Textbook Series Author: (UK) Williams (WilliamsT) Abstract This book comprehensively and systematical...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
Dong Yang, executive vice president of the China Association of Automobile Manufacturers, said on the 26th that according to the authorization of the Ministry of Industry and Information Technology...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
While imaging industry experts know that Apple has designed a complex 3D camera for its iPhone X, called "TrueDepth," most of the details of the 3D system inside the module, including chips, componen...[Details]
/*34864 Chinese character library*/ // Connection of MCU //******************************************************** //p3= data port //p4--control port// p4.0 = rs //p4.1= r/w //p4.2= e //...[Details]
volatile unsigned int ad_value ; int main( void ) { WDTCTL=WDTPW+WDTHOLD; //Turn off watchdog BCSCTL1 =CALBC1_1MHz; //Set DCO to 1MHZ DCOCTL =CALBC1_1MHZ; //Clock source: AD internal clock and divide...[Details]
Recently, the "2018 Household Photovoltaic Development Seminar" was successfully held in Hangzhou, Zhejiang Province. Sungrow attended the conference as a special co-organizer and summarized the statu...[Details]