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8*8 LED matrix first light In order to improve software coding skills, coders who are unwilling to be code farmers have started to journey to become software engineers and learn about hardware, sta...[Details]
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On December 1, the first phase of Hongli's Mini/Micro LED semiconductor display project was put into production at Hongli Zhihui's Guangzhou headquarters park. In June this year, Hongli Zhihui sign...[Details]
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1. Background:
Use LPC1769 to do CAN transmission and reception. Here is a summary and record of using LPC1769 CAN controller for transmission and reception, in preparation for the next
G...[Details]
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Battery pack prone to spontaneous combustion? NIO recalls 4,803 ES8s Nearly one-third of the first batch of delivered vehicles are involved. NIO promises to compensate all users for property losses...[Details]
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According to documents submitted by Hillhouse Capital to the U.S. Securities and Exchange Commission (SEC), as of December 31, 2019, Hillhouse Capital no longer holds shares in NIO. It is reported...[Details]
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(I) Types (Porro Prusm vs Roof Prism)
Binoculars can be divided into two categories: Poof Prism and Roof Prism. Poof Prism is simple in structure and has higher light transmittance than Roof...[Details]
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According to foreign media reports, Texas Instruments (TI) recently released a new radar sensor with a 40% increase in detection distance. This new sensor can improve autonomous driving and vehicle s...[Details]
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The exit.c file contains 5 functions in total. One is the external interrupt initialization function void EXTIX_Init(void), and the other 4 are interrupt service functions. void EXTI0_IRQHandler(void...[Details]
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1. Introduction
Many industries and places need password locks, but the passwords of ordinary password locks are easy to be cracked by multiple attempts. This paper presents a design method ...[Details]
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1. Introduction
In recent years, the mechanization and automation of my country's coal mines have been increasing, and the application of mine monitoring, communication, instrumentation and automat...[Details]
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Independent watchdog Iwdg——It has an independent clock (internal low-speed clock LSI---40KHz), so it is a system fault detector that is not affected by system hardware. It is mainly used to monitor ha...[Details]
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The principle is to operate the GPIO of the pin connected to the LED and the CPU. To know which GPIO to operate, you need to check the schematic diagram. Configure the corresponding GPIO to output ...[Details]
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1. The following variables need to be defined in a program:
(1) Define the common cathode display code array dis_code (0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f) for the digital tu...[Details]
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Lightning is a natural weather phenomenon. If you don't pay attention to protection, it will cause serious harm to people's lives and property. For radio communication projects, lightning protecti...[Details]
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According to Cailianshe, Huawei has recently made a major breakthrough in the field of battery technology and announced a new patent titled "Doped sulfide materials and preparation methods, lithium...[Details]