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This blog post will introduce and drive the digital tube. The chips associated with it are the 74HC138 decoder, 74HC02 NOR gate, and 74HC573 latch mentioned earlier. The I/O ports used are still 11 -...[Details]
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#include pic.h #define uchar unsigned char #define uint unsigned int __CONFIG(0x3B31); //__CONFIG (CP_OFF &WDTE_OFF& BOREN_OFF&PWRTE_OFF &FOSC_HS&WRT_OFF&LVP_OFF&CPD_OFF); int a ={0x30,0x31,0x3...[Details]
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From the application perspective, the basic properties of PTC materials are usually divided into: resistance-temperature characteristics, volt-ampere characteristics, current-time characteris...[Details]
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Sina Digital News reported on the afternoon of February 10 that recently, Apple quietly added a small feature to the test version of iOS: Chinese users can use Siri on iPhone or CarPlay to repo...[Details]
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Although loop analysis is an important means of detecting the stability of control systems, there are many details that need to be paid attention to during the test process. How can we quickly unders...[Details]
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On the evening of December 21, Sanwei Communications Co., Ltd. (hereinafter referred to as "Sanwei Communications") issued an announcement stating that Sanwei Communications intends to sign a "Share ...[Details]
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"Pixel" is a unit used to calculate digital images. Just like photographs, digital images also have continuous shades. If we magnify the image several times, we will find that these continuous tone...[Details]
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This article introduces the design of the μC/OS-II embedded real-time operating system and caller ID technology, which consists of a ring current detection circuit, a caller decoding circuit, a D...[Details]
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Development board schematic diagram: From the schematic diagram of the development board, we know that LEDs 1 to 8 are connected to P2^0 to P2^7 respectively. When low voltage is input to P2 port, ...[Details]
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This application note provides information on how to interface the DS1307 real-time clock (RTC) to a microcontroller and provides some example code to access the device. introduce The DS1307 serial...[Details]
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The State Administration of Radio, Film and Television held a special meeting on the national cable TV network integration. All relevant departments of the bureau and China Radio and Television must ...[Details]
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With the development of computer, network and communication technology, as well as the continuous improvement of multimedia video technology, the third generation of remote network video monitoring...[Details]
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If you have an old Samsung device gathering dust in a drawer, now’s the time to put it to new use. At CES 2021, Samsung announced a Galaxy Upcycling at Home program that will turn old smartphon...[Details]
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Env is a small KV database that supports write balancing (wear balancing) and power-off protection mode. Transform Flash into a small key-value storage database of the NoSQL (non-relational database)...[Details]
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1 Ethernet controller
The Ethernet controller of Taiwan Realtek is a controller that complies with the IEEE802.3 Ethernet standard. There are RTL8019, RTL8029 and RTL8139 series. Among them, R...[Details]