This article introduces the use of table components in Qt, which requires the use of QTableWidget.
Let's introduce QTableWidget through an example. The following figure shows the test effect of the ta...
The company's recent project is using RL78 and G14, and it will be mass-produced soon. I haven't found a suitable burner. I saw a company on Taobao that day and bought one. I tried it and it works ver...
Download source package:
https://www.embedthis.com/esp/download.html
The version I downloaded is : esp-8.0.3-src.tgz
Unzip:
$ cd
$ tar xf esp-8.0.3-src.tgz
$ cd esp-8.0.3/Source cross-compilation tool...
I bought a cheap knockoff TWS headset a few months ago and have been planning to take it apart. A few days ago, I finally found an opportunity to take apart the charging box and share it with you.Earp...
①Why should we learn and use oscilloscopes?②Introduction to oscilloscope probes, measurement and compensation calibration③Vertical system of new oscilloscopes④Horizontal system of new oscilloscopes⑤Cu...
Live Replay: Safety Series 19 - Wireless Charging Authentication in Compliance with the Wireless Charging Consortium (WPC) : https://training.eeworld.com.cn/course/67756...
;Someone asked: ;Use the timing mode 0 of the microcontroller to measure the external pulse width (between 5 and 250ms). Requires a circuit diagram. Waiting online ;Supplementary question: Write a p...[Details]
LED
LED (Light Emitting Diode) means light emitting diode. It is a solid-state semiconductor device that can directly convert electricity into light. The heart of LED is a semiconducto...[Details]
Preface In the context of automobile intelligence and connectivity, the continuous innovation of ADAS technology, the continuous advancement of in-vehicle multimedia, the innovation of various...[Details]
Today I encountered a problem that IAR cannot set breakpoints. I have never encountered this problem before, and I was able to set breakpoints in this project before. I tried some methods from netize...[Details]
introduction
In view of the most widely used radio frequency card and reader implementation method in the domestic market, this paper uses ARM embedded system as the microcontroller and design...[Details]
New energy storage is a key link in the development of new energy and a key technology to support new power systems. At present, the large-scale application of new energy storage in my country is show...[Details]
Technical Background
In November 2009, Agilent Technologies, Aeroflex and Test Evolution jointly established the AXIe Alliance to develop and promote the AXIe series of standards. Five more compani...[Details]
PTR2000 is based on the wireless transceiver program of SCT89C52 microcontroller:
#include reg52.h //reference the header file of the standard library
#include stdio.h
#defineucharunsignedchar...[Details]
China Energy Storage Network News:
"The overall idea of the construction of the energy internet demonstration project in Mengxi High-tech Zone is to utilize the storage and power generation...[Details]
The current probe calibration requires a fixture, which consists of two halves of a coaxial converter. When the current probe is assembled on it, a coaxial line is formed: the outer conductor wraps a...[Details]
When arm-linux-gcc compiled a bare metal program, an error popped up during ld, pointing to the division instruction. arm920t is armv4, which does not support division instructions, but supports so...[Details]
For a 10kv inverter, the secondary voltage of the phase-shifting transformer is 1900v, the DC voltage of the power unit is 2700v, and 3 power units are connected in series per phase, so only 9 powe...[Details]
Hello everyone, we have previously shared with you how to use the ZDS2022 oscilloscope to perform FFT analysis on waveforms. The ZDS2022 oscilloscope not only supports FFT analysis capabilities with ...[Details]
Abstract: According to the ITU2R BT. 656 television video coding principle, the effective data of each frame of video image is extracted through hardware decoding and transmitted to
the player
f...[Details]
CNC systems (computer numerical control systems) and NC systems (numerical control systems) are two types of automation control systems commonly used in modern manufacturing. They are similar in ma...[Details]