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1. Determine the tasks
Developing a single-chip minimum system
2. Task Analysis:
The system has the following functions:
(1) It has 2-digit LED digital tube display function.
(2) It has eig...[Details]
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LED, fluorescent lamp, incandescent lamp, these all we need to understand one of the important parameters - power factor (PFC), let's understand what power factor is.
1. Power factor
The ...[Details]
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Buzzers are divided into piezoelectric buzzers and electromagnetic buzzers based on their structure. Piezoelectric buzzers use piezoelectric ceramics to make sounds, and the current is relatively sma...[Details]
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The following is the TV radiation statistics from the test
. The traditional CRT TV was the first to be tested. We first tested it at close range. Within half a meter from the front, the radia...[Details]
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Without buying new storage devices, it is indeed a problem to reduce unnecessary files and reduce the space used by the system. In order to solve this problem, this article introduces five methods ...[Details]
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In recent years, servo motor control technology is developing in three directions: AC, digital and intelligent. As the actuator of CNC machine tools, servo systems integrate power electronic devices, ...[Details]
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In the same priority level of AVR microcontroller, the lower the interrupt vector entry address, the higher its priority level. After responding to an interrupt, the AVR microcontroller will prohibit ...[Details]
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Before the PCB board I made before came back, I needed to build the "architecture" of the "driver code". It was relatively simple. The screenshots of the files sorted out according to the flow chart ...[Details]
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If the input part of the inverter is a 6-pulse three-phase bridge diode rectifier circuit, that is, AC/DC conversion, since the diode is a nonlinear device, the internal impedance of each device wi...[Details]
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The microcontroller source program is as follows: #include "stc.h" #include "button.h" #include "smg.h" #include "AT24C02.h" sbit led1=P0^0; sbit bell=P0^6; sbit relay=P0^4; unsigned char fla...[Details]
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When working in a factory, safety should be your top priority. Toxic gases in the workplace are extremely dangerous and can cause fires or explosions. Despite the dangers of these gases, not all gase...[Details]
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Recently, I need to use STM32 to develop a device that communicates with the host through the HID protocol, so I started to learn USB. I found that the USB system is too huge. I can't understand it d...[Details]
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As
the demand for
electricity
increases, the phenomenon of uneven electricity consumption in different time periods is becoming more and more serious. In order to reasonably regulate
the...[Details]
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China Unicom and Ziguang ZTE jointly launched the world's first 5G CPE VN007+ that supports complete 3GPP standardized network slicing and eSIM, which not only brings users a 5G high-speed experience...[Details]
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As a bridge that connects and schedules software and hardware resources, the operating system is the "soul" component that drives the development of automobiles from low-level intelligence to high-le...[Details]
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