[color=#0000FF]After careful analysis, the problem lies in this dll, but I still can't find a solution. Please help me, thank you! The dll code is as follows:[/color] JNIEXPORT jstring JNICALL Java_ge...
I heard the board was shipped before the holiday, and I received the express today as soon as I got to work. It’s so cool :pleased:, thanks EE! I participated in this event in the forum. Those who are...
About the format conversion function sprintf(): I want to use the sprintf() function to convert a used int type variable into a string and send it out from the serial port. However, I found something ...
When using the WEBENCH power design tool, friends will occasionally encounter various small problems. Today, our WeChat has carefully compiled dozens of common questions and answers for everyone. Plea...
Through searching online, I roughly know the concepts of dbm, dbi, and db. I also know how dbm and db are calculated, but I don't know how dbi is calculated. The encyclopedia only talks about the conc...
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[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]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[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]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[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]
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]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[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]