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On December 21, yesterday evening, Xiaomi Group partner, President of China and International Department, and General Manager of Redmi Brand Lu Weibing posted on his Weibo, "The New Year is com...[Details]
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The emergence of smart visual doorbell The history of doorbells can be traced back to the Five Dynasties period. According to Jiangnan Yuzai, the first person to use doorbells in my country was a po...[Details]
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LabView is designed for VISA-level communication with instruments. As long as the instrument has a LabView driver (or plug-and-play driver), the program is straightforward. However, instruments witho...[Details]
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In the past two years, IDC has continued to pay attention to the scale, competition landscape and technology ecosystem development of China's smart home market, and witnessed the exploration process ...[Details]
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This paper adopts FPGA as the core component to realize the control logic, proposes a design scheme of 64×64 data distribution matrix of baseband based on FPGA, and introduces the software design ide...[Details]
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Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio freque...[Details]
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Checking whether the external AC voltage and internal DC voltage of electrical equipment are normal is the basis for analyzing the cause of the fault. Therefore, when repairing electrical equipment a...[Details]
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To avoid mistakes, always choose the matrix keyboard mode. The competition development board cannot use the key-triggered external interrupt method to detect key presses. PS: After using the IAP1...[Details]
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After executing the SLEEP instruction, the device enters the sleep power saving mode. After entering the SLEEP mode, the main oscillation stops. If the watchdog is turned on during programming, the wa...[Details]
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Often, a voltage needs to be not only qualitative (high level or low level), but also quantitative (know the specific voltage value). This is when the analog-to-digital converter (ADC) can be used. T...[Details]
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1. Hybrid Programming
1. Interface within the module:
Use the following identifiers:
#pragma asm
Assembly Statements
#pragma endasm
Note: If you use assembly language in your C51 program,...[Details]
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The electronic scale is based on the STC89C51 microcontroller and the HX711 weighing module. The microcontroller controls the A/D conversion, the screen displays the data, and the keyboard inputs in ...[Details]
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The sensor market is one of the tech sectors hardest hit by the pandemic, which has further clouded the outlook for the automotive sensor market due to the decline in fossil fuels and internal combus...[Details]
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//This part is the driver of 18B20
//This program has been verified, the crystal oscillator is 12MHz
#include reg52.H
#include intrins.h
sbit D18B20=P3^7; //DQ connects to P3^7
...[Details]
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On October 16, Shandong Yulong Gold Co., Ltd. (601028, hereinafter referred to as Yulong Co., Ltd. or the Company) issued an announcement that the company's industry was changed from wholesale to non-...[Details]
Microcontroller MCU
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