I have always used an external USB keyboard. Today, I accidentally pressed the laptop keyboard and found that numbers popped up after I pressed a few letters. I was so depressed.
For example, when I p...
After groping and experimenting at work, it is concluded that there are three types of architectures for microcontroller applications:1. Simple front-end and back-end sequential execution programs. Th...
From the LIS25BA document, it is necessary to set it through iic. How to call the LIS25BA bone vibration sensor ? What is the I2S address?https://www.st.com/content/ccc/resource/technical/document/app...
Now I want to use the automatic baud rate function (interrupt mode) of the NXP1700 series. I need to monitor the 8th and 9th bits of U0IIR. However, when simulating, the type of U0IIR is char data. Th...
Recently, the Internet went viral that Shenzhen Judian Intelligent Technology, a once established electronics manufacturer in Shenzhen, suddenly went bankrupt. Judian Intelligent, which once had 1,000...
For fast and efficient debugging, when choosing a logic analyzer solution, it is necessary to focus on evaluating various parameters of the instrument. Logic analyzers are powerful tools to help engi...[Details]
1. General troubleshooting
1. Voltage circuit breaker failure
If the contact is overheated, you can smell something in the power distribution control cabinet. After inspection, it is foun...[Details]
In principle, the dynamic wireless system digs a shallow trench on the existing asphalt road and transmits electricity from the grid to the road surface through inverters installed on both sides of ...[Details]
Recently, China Electronics Technology Group Corporation demonstrated its latest concentrated photovoltaic power generation system in Beijing. It is understood that the company has not only achieved a...[Details]
2.4-inch TFT240370PQ display, driver IC is ILI9325. The screen power supply is 2.8~3.3V, the backlight power supply is up to 3.2V (20Ω resistor in series at 3.3V power supply or 200Ω r...[Details]
I have a lot of waste lithium batteries at home, some are retired from mobile phones, and some are second-hand 18650 that are over-discharged. They can't even last 20 minutes (300ma) with conventional...[Details]
The integrated circuit signal tracker circuit is simple, and only needs a low-power integrated amplifier circuit LM386 and 5 capacitors to form the whole machine, and the tracking ability is extremel...[Details]
If 2019 is the year when Unisoc ushered in a new look, then 2020 must be a key year for Unisoc to catch up. Whether it is strategic adjustment, quality management, product planning, or technological ...[Details]
Beijing time, April 12 evening news, news from component manufacturers said that Apple's next generation tablet computer iPad 3 will still not use Retina display.
Retina is a high-definition displa...[Details]
The field of intelligent driving is experiencing unprecedented competition and innovation. Major automakers, start-ups and even scientific research institutions are investing huge resources in this...[Details]
First, implement the simplest AVR microcontroller Proteus simulation, the water lamp. To write data to the IO port, first set DDRxn=0xff, and then output PORTxn=output data. The circuit simulatio...[Details]
Part 1 Installing the cross-compilation toolchain Use crosstool-0.43 to make a cross-compilation tool chain. As the gcc version increases, correct production is no longer possible. There are no mor...[Details]
On June 2, according to foreign media reports, the US chip industry is preparing for a large-scale lobbying campaign in an effort to obtain tens of billions of dollars in federal funds to expand dom...[Details]
Today I saw the SPI program and saw the following definition: Consult the information. The summary is as follows. CPOL(Polarity) 0: SCLK remains low when idle. 1:...[Details]