-
Recently, according to foreign media reports, in order to reduce its dependence on chip manufacturers, Hyundai Motor said it will plan to develop chips independently. Hyundai Motor America's CEO sa...[Details]
-
As shown in Figure 4.14.2, the parallel port P1 of AT89S51 is connected to a 4×4 matrix keyboard, with P1.0-P1.3 as input lines and P1.4-P1.7 as output lines; the serial number of each key is displ...[Details]
-
According to Jiwei.com, listed companies in the mobile phone industry chain are gradually disclosing their first-half financial report expectations. However, affected by the overall environment and t...[Details]
-
Drones are small, light, flexible, and low-cost. They can be used for ground reconnaissance and photography, and can also be widely used in military reconnaissance, geological exploration, and the ...[Details]
-
Someone told me he had a 4-20mA current source. He wanted to determine if the current was out of range, or if the wire was broken! But no one knew how to detect that. If you want a tough challenge,...[Details]
-
When will mobile phones be completely replaced? This may be a question that many readers have thought about. Smart watches are not widely used and their functions are not complete enough, so it is di...[Details]
-
In recent years, a wireless power supply experiment is developing. The so-called wireless power supply means that the electrical appliances are not connected to the power supply. The power supply u...[Details]
-
The era has once again come to
another juncture of
the productivity revolution
.
Robots,
as an important tool for new productivity, have been widely used in
many fields such as
i...[Details]
-
ABC EQU 60H;
ORG 0000H
/*http://www.51hei.com MCU cycle light design - assembly language program writing*/
AJMP START
ORG 0003H ;External interrupt vector address
LJMP INT0;
...[Details]
-
On the afternoon of August 17, smartphone brand iQOO held an online press conference to officially launch the new generation of flagship mobile phones, the iQOO 5 series. This series of mobile...[Details]
-
Complete source code download address: http://www.51hei.com/f/chcxde.rar
/***Using 2 595 drivers, dynamic scanning principle display, requires 3 IO ports of the microcontroller (DIO connected to...[Details]
-
1. Identify the iron core of common power transformers from the appearance. There are two types: E-shaped and C-shaped. The E-shaped iron core transformer has a shell structure (iron core wrapped with...[Details]
-
Recently, in addition to the previous requirements for small and thin, energy-saving, and low noise, electronic equipment is expected to meet ecological needs from the perspective of preventing globa...[Details]
-
In 2021, my country's electronic information manufacturing industry achieved double-digit growth in added value and export delivery value; profits grew rapidly; and the growth rate of fixed asset inv...[Details]
-
Basic concepts:
Memory:
SRAM static memory features: small capacity, high price, advantages: no software initialization required, can be used as soon as power is turned on.
DRAM dyna...[Details]
Test/Measurement
京公网安备 11010802033920号
EEWORLD