I recently used 51 to adjust 8806, but when I adjusted the potentiometer, the contrast was always not adjusted. I heard that it can only be debugged after initialization. Which expert can give me the ...
The current product definition is as follows: (1) ANDROID4.0 or above (2) 8-inch LCD (3) Capacitive touch (gesture recognition optional) (4) 4G support (TDD and FDD optional) (5) Night vision function...
The circuit is as follows:Q1 is a PNP transistor. I don't know why LED1 lights up when charging . When not charging, LED1 doesn't light up . LED1 also has a circuit when not charging. I don't know why...
I connected the data line after AD conversion to D0---D11 of 2407, but the ADDR on 2407 is not connected. How can I read the data on D0---D11? Now when I access the external address (0x8000) in the pr...
In view of the current domestic and international situation and the gradual growth of domestic chips, it is recommended that this section cancel some unnecessary sub-sections, such as PIC, Atmel and o...
The ground of the front-end device and the back-end device are connected through a ground wire.
When the device is not powered on, the two grounds are connected.
When the power is turned on, the imped...
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
According to foreign media reports, Nissan Motor has recently reached a cooperation with US battery technology company LiCAP Technologies to jointly promote the research and development of next-gen...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Munich, Germany, August 19, 2025 –
Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, announced today that its AIROC™ CYW20829 Bluetooth® low e...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
NPN and PNP are two commonly used transistor circuits. They play an important role in industrial automation and control systems. This article will explain the difference between NPN and PNP and exp...[Details]
Motor potting compound is a high-performance sealing material widely used for motor encapsulation and insulation. It is essential for motor protection and packaging. Its ideal moisture and water re...[Details]
The term "remote meter reading" literally emphasizes remoteness. But how far is remote? One kilometer? Two kilometers? Those aren't considered far at all. Currently, the longest distance for ...[Details]
On August 18, domestic EDA manufacturer HuaDa JiuTian launched the advanced packaging design platform Storm for the first time in the world at the end of July. It claims that the chiplet wiring eff...[Details]
Embedded System
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