Based on the GPIO driving LED in the previous article, test the GPIO external interrupt test and check whether the interrupt occurs by the status of the LED light.1. Hardware
1.1. Use the KEY1 and KEY...
[size=4][color=rgb(0, 0, 0)][font=宋体, "]Shanghai AI company, [/font][/color][color=rgb(0, 0, 0)][font=宋体, "]Salary is open, no upper limit. More than 1 year of experience is sufficient. [/font][/color...
ESD (Electro-Static discharge) is electrostatic discharge. Static electricity is a natural phenomenon, which is characterized by long-term accumulation, high voltage, low power, small current and shor...
Here are some of the relevant programs:
void interrupt ISR(void) //Configuration is OK, omitted for conveniencevoid TIMER1_INITIAL (void){//Need to re-assign the initial value in the interruptT1CON = ...
[size=4]---The use of real-time operating systems can simplify the application development of embedded systems, effectively ensure stability and reliability, and facilitate maintenance and secondary d...
At present, in domestic level switches, there are five common output modes for sensors: relay output, two-wire output, transistor output, contactless output and NAMUR output, among which NAMUR outp...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
U-View indoor full-color LED
display screen adopts indoor surface mount three-in-one technology with the following characteristics, and is widely used in large stadiums, train waiting rooms,...[Details]
Many IT buyers find it difficult to choose projectors for medium and large conference rooms and other business spaces, as they have extremely high requirements for image quality and stability. Howeve...[Details]
Chinese PV manufacturer Sungrow has announced that it has signed an agreement with Vietnam’s Dai Hai Power to supply central inverters for a 100MWp solar park near the country’s Buon Me Thuot city....[Details]
In the "Wireless Subsystem Synchronization" of GSM 05.10 clause, it is stipulated that: "The base station should use a single frequency source with an absolute accuracy better than 0.05 ppm (5×10-8) a...[Details]
Recently, Beijing Xiaomi
Robotics
Technology Co., Ltd. was established with a registered capital of RMB 50 million. Its business scope includes
the research and development of
intelligen...[Details]
On March 22, 2021, Jiangsu Hongwei Technology Co., Ltd. (hereinafter referred to as "Hongwei Technology") responded to inquiries from the Shanghai Stock Exchange regarding "the changes and reasons fo...[Details]
It is troublesome to control thyristor dimming by single chip microcomputer. At the beginning, there was no zero crossing detection. As a result, no matter how high the PWM frequency was, it flicke...[Details]
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but requires the minimum number o...[Details]
Recently, Narada Power received a notice of winning the bid from the Hubei Branch of the State Power Investment Corporation, winning the bid for the State Power Investment Corporation Nanrada (Ezho...[Details]
When debugging code, everyone likes to use the printf function to output some print information to prompt the execution status of their own code. When I first came into contact with this debugging me...[Details]
A research team at the University of California, Santa Barbara (UCSB) announced that they have found through first-principles calculations that Auger recombination is the main cause of LED efficiency ...[Details]
Abstract:
In the digital control method of power chip, delay link is often introduced. After the delay link is introduced, the method of analyzing circuit response, especially quantitative ca...[Details]
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