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Open the Keil program in the 02_GPIO_Key_Polling_mode folder in the Demo packageWe add the following content to the original program
int main(void)
{uint8_t count;systick_config();/* enable the LED2 G...
Does anyone have a charging management IC for two lithium batteries of 7.4V (7-8.4V)? Input 5V. Big brand chip, charging current 3A. Please give the specific model. Thank you....
[TOC] ## What is OSAL? Today, a classmate suddenly asked me if I had ever worked on OSAL. I was confused, so I found the answer on the search engine and found that it is a very practical thing. OSAL (...
As shown in the figure, there is usually a 5V voltage input at the arrow position, and the test pin 1 position outputs a low level. Now the problem is that the input at the arrow position is turned of...
Dear experts, I recently used a sensor, as shown in the following document, and can read data in the current state, but the question is how to convert the AD value into the actual air pressure value? ...
[i=s]This post was last edited by emmnn on 2022-7-4 21:35[/i]PrefaceI happened to go home two days ago, and I didn't get the board back from the courier station until today to prepare for the evaluati...
swi (soft interrupt)
We know that arm has 7 working modes, except for the usr mode, the other 6 are privileged modes. We know that the usr mode cannot modify CPSR to directly enter other privi...[Details]
From the live test in August last year to now being pushed to more than 15,000 employee models, Tesla FSD V12 has ushered in the milestone moment that Musk said. The upgrade log description concise...[Details]
Percussion instruments play an important role in the band, especially in electronic instruments, they can produce rich and varied percussion sounds, so percussion music electronic synthesizers make t...[Details]
LED driver power supplies are currently developing towards high power factor, high output current accuracy, high efficiency, high reliability, low cost and small size. Therefore, the primary curren...[Details]
Many people wonder, "Is it better for companies in the automotive industry to develop new technologies themselves or to purchase them from outside?" Are companies that develop their own technologies ...[Details]
This experiment implements a serial port interruption experiment and communicates with the computer through interruption.
First receive the online signal, and then receive the relevant control...[Details]
On February 28, Nokia (HMD Global) launched three new entry-level smartphones at MWC 2022. The three new models are Nokia C21, Nokia C21 Plus and Nokia C2 (second generation). They are all designed t...[Details]
According to news on June 8, SK Hynix issued an announcement today (June 8), announcing the start of mass production of 238-layer 4D NAND flash memory. SK Hynix stated in the announcement that it h...[Details]
A recent patent filed by Japan's SIE has raised some eyebrows because it's allegedly for input devices for PSVR 2. The patent describes a new form of handheld "controller" that's very differen...[Details]
1. Resistor detection method and experience: 1. Detection of fixed resistors A. Connect two test leads (regardless of positive and negative) to the two ends of the resistor to measure the act...[Details]
According to foreign media reports, according to virtual reality enthusiast Anthony Weidilo's blog The Ghost Howls, Xiaomi has fired the entire Mi VR/Oculus Go development team, including 12 employee...[Details]
With the rapid development of science and technology, the progress of human demand for civilized life has brought about an increasing demand for electric energy, and also brought about higher requi...[Details]
(Photo source: Audi official website) According to foreign media reports, Audi will showcase a new generation of digital OLED (organic light-emitting diode) lighting technology at the 13th ISAL ...[Details]
On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
GD32 MCU
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