Good blow, I'm a novice! I want to use a microcontroller to control the heat blocks and the like through relays. If I use a HK400F relay, can I directly connect it to 220V?
How do I connect those term...
The introduction looks very impressive, but I went to the official website to look for it, but couldn't find any information. It is said that this little guy uses Nordic's nRF52811 chip....
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[i=s]This post was last edited by paulhyde on 2014-9-15 09:47[/i] [size=5]Multi-function counter, high power factor power supply, simple electrocardiograph, displacement measurement device, temperatur...
Please help me. I have been working on it for days but to no avail. The program pops up when it reaches synchronization. Here is the program code. namespace SQLMobile2 { public partial class Form1 : F...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
In recent years, as energy consumption and environmental protection issues have attracted people's attention, my country's solar photovoltaic power generation industry has shown a rapid development...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
As photovoltaic power stations come into people's view, people are paying more and more attention to them. Recently, some netizens asked me how to match the inverter and components of photovoltaic ...[Details]
At the beginning, I used the stdlib library. Recently, I found that the cube library is more and more widely used, so I started to use the cube library to complete the ADC multi-channel acquisition e...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
#include avr/io.h void Delay(unsigned int T) { unsigned int i,j; for (i=0;i T;i++) for (j=0;j 100;j++) asmvolatile ("nop"); //Assembly instruction, let the microcontroller run empty instruction...[Details]
Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture
Core
processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
On June 26, 2017, China's new generation of high-speed rail "Fuxing" realized its first two-way service between Shanghai and Beijing, with a maximum speed of 400 kilometers per hour and a standard ...[Details]
On the 25th, Qualcomm held a technology summit in Beijing, inviting almost all important Chinese partners in an extremely rare "show", including SMIC, China Mobile, Lenovo, Xiaomi, OPPO, vivo, ZTE ...[Details]
Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]
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