-
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]
-
Figure (b) is the anatomical diagram of the digital tube, which are common cathode and common anode types respectively; taking common cathode as an example, if you want to display the number 1, conn...[Details]
-
On December 15, the China Resources Dali Zaoyang Wind Power Vanadium Liquid Flow Battery Industrial Park project officially started. Lv Yibin, chairman of the Municipal People's Congress Standing Comm...[Details]
-
The Majiabang Cultural Site in Xiuzhou District, Jiaxing, Zhejiang, 120 kilometers away from Shanghai, is called the "graveyard" of shared cars by locals because there are now more than 4,000 shared ...[Details]
-
Since I didn't learn the shell systematically, I couldn't understand most of the Makefiles. A small detail stumped me for a few days. Now I will share my operation process
All operations in Li...[Details]
-
Recently, according to Tianyancha, Shanghai Zhizhunxin Semiconductor Technology Co., Ltd. completed a B round of financing of hundreds of millions of RMB. The investors include Meituan, GGV Capital,...[Details]
-
The platform device driver is based on the device bus driver model. It just further encapsulates device into platform_device and device_driver into platform_device_driver. The device bus driver mod...[Details]
-
This intelligent alarm system makes full use of the existing telephone network for design, using telephone keyboard operation circuit, ring recognition circuit, remote message circuit, automatic ident...[Details]
-
1. Introduction
Altitude measurement using air pressure sensors is widely used in modern aircraft, mainly by measuring the air pressure in the aircraft to calculate the flight altitude of the a...[Details]
-
The digital tube of this learning board uses P0 to display the strokes, and P2 to select each word.
#include
#include
unsigned char data dis_digit;
unsigned char code dis_code =
{0xC0,...[Details]
-
According to GSMArena, the Realme 9 series kicks off with the 9i, a mid-range phone with only 4G. It will be followed by two Pro models (both with 5G), and then the Realme 9 5G and Realme 9 5G ...[Details]
-
With the rapid development of LED lighting industry, the LED power supply market is also expanding rapidly. On the one hand, traditional power supply manufacturers have launched LED power supply ...[Details]
-
Currently, the total output value of global semiconductors can reach 450 billion US dollars, but the entire industrial chain can be strangled by a chip with a cost price of one dollar. Qualcomm and I...[Details]
-
The world's first network analyzer 8410A Based on the need to measure RF interfaces and devices, HP invented the first network analyzer 8410A in 1967. The invention of 8410A moved impedance measure...[Details]
-
4 uses C2051 microcontroller, and uses cheap and easy-to-get 74LS164 and 74LS138 as expansion chips. 74LS164 is an 8-bit serial input and parallel output shift register. Its function here is ...[Details]
Mobile and portable
京公网安备 11010802033920号
EEWORLD