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...
According to news on August 17, Sai Fang Technology today released two new independently developed RISC-V processor core products: Fang Tianshu-90 (Dubhe-90) and Fang Tianshu-80 (Dubhe-80). According...[Details]
PLC ladder programming is a graphical language used in computer control systems. It uses ladder diagrams to describe the logical relationship of the program to achieve real-time control and automat...[Details]
NCV8876 is a non-synchronous boost controller. The chip adopts the peak current control mode of internal slope compensation to control the external N-channel MOSFET field effect tube. It has the fu...[Details]
1. Introduction
At present, the most commonly used reactive power compensation method in China is centralized compensation on the 380V side of the distribution transformer. Usually, a micro...[Details]
Nowadays, short message service is becoming more and more popular. Various telephone manufacturers are competing to design and develop short message terminal phones. In order to cooperate with the ...[Details]
Theoretically, the shaft of the motor should not be electrified, and naturally no current should pass through the shaft; but for high-voltage motors, low-voltage high-power motors and variable-freq...[Details]
Abstract: This article discusses the shortcomings of DC power supply for ion nitriding and the advantages of pulse power supply in overcoming the corresponding problems through comparison. A 100kW ...[Details]
1 Introduction
The low-pressure boiler of No. 4 converter of Jigang is responsible for supplying vacuum steam to the RH refining system. Its normal operation is directly related to the sm...[Details]
After the Keil MDK compiler compiles, the information bar will display the compilation status, which includes the FLASH and SRAM information. As shown in the figure below, /************************...[Details]
According to previous rumors, Samsung is very likely to officially release a special edition model called Galaxy S21 FE during the CES 2022 exhibition. This is a cost-effective flagship with a focus ...[Details]
1. Why use non-contact infrared thermometer?
Non-contact infrared thermometers use infrared technology to quickly and easily measure the surface temperature of an object.
No mecha...[Details]
White spots appearing in samples excited by direct reading spectrometers are usually caused by the following reasons: 1. White spots are mainly caused by impure argon gas. As long as the purity of...[Details]
"Flying car" is an element that often appears in science fiction works and science fiction films and TV dramas, representing people's beautiful vision of future transportation. But to be honest, ...[Details]
DS2417 is a real-time clock chip with interrupts and compatible with a one-line MicroLAN interface produced by DALLAS. Its serial communication rate reaches 16.3kbps, and the interrupt time interva...[Details]
According to a paper published in Nature magazine on the 23rd, teams from the Jackson Laboratory, the Broad Institute of MIT and Harvard, and Yale University used artificial intelligence (AI) techn...[Details]