I bought an mv3 during a promotion some time ago, and I've been playing with it for a while. While playing with the mv3, I accidentally clicked the upgradebutton, and the firmware crashed, and the mv3...
The HGI HC32F460 series supports the USB FS protocol stack, and the CDC VCP virtual serial port is provided with a virtual serial port example in the previous HGI SDK version (hc32f46x_ddl_Rev1.2.0).
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It is very uncomfortable to wear a mask when going out in summer when the temperature is over 30 degrees. The mask will be soaked with sweat after walking in the sun for 5 minutes.Is there any good wa...
I am working on the custom method (using the serial port) to program the FLASH of 430. After the program is completed, the power is turned off and reset, and the reset button can run the new program. ...
On May 9, Wang Bin, Deputy Secretary of the Party Committee and General Manager of PowerChina, held talks with visiting ACWA Power Vice Chairman and Managing Director Sander at the headquarters...[Details]
There are many factors to consider in high-power LED packaging technology , and several key packaging technologies are also mentioned. They mainly include: ⑴ In terms of high-power LED heat ...[Details]
This article explains the working principles of various switching power supplies.
Although the traditional linear voltage-stabilized power supply has a simple circuit structure and reliable op...[Details]
2020 was a roller coaster year for the semiconductor industry. At the beginning of 2020, the semiconductor business looked bright, but then the Covid-19 outbreak caused an abrupt downturn. However,...[Details]
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Effect description:
Timer interrupt: Execute program through microcontroller counting
Interrupt once per second. When an interrupt occurs, the upper four bits light up for one sec...[Details]
When it comes to the accuracy of LED driver power supply, we usually think of constant current error. In fact, the driving accuracy is not limited to current accuracy. LED is a typical current-driven...[Details]
Chinese electric vehicle battery maker Contemporary Amperex Technology Co., Ltd. (CATL) plans to enter the U.S. energy storage market and will debut a residential energy storage system at the 2019 ...[Details]
Analysis of the three major touch screen technologies
Central topics:
Analysis of mainstream touch screen technologies
Solution;
Single touch screen one-touch control
Multi-touch scree...[Details]
According to the requirements of the transmission signal, strict technical indicators are stipulated for the filter. The definition of filter technology is based on the four-terminal network theor...[Details]
In electronic manufacturing, multimeters are often used to measure voltage and current in circuits. Connect the LED, resistor and potentiometer to form the circuit shown in Figure 3-4, and rotat...[Details]
1. Expert, what are the main application areas of DPOJET?
The main application areas of DPOJET are high-speed serial bus development, debugging and consistency testing, such as PCI_E/DDR/HDMI/...[Details]
At the recent National Broadcasting Equipment Show ( NAB Show ), Intel and Netflix* announced a new high-performance video codec, SVT-AV1 (Scalable Video Technology for AV1), which is availabl...[Details]
research background and meaning
1. Overview of vortex flowmeter
When a non-streamlined vortex generator is placed in the fluid, the fluid will be separated alternately on both sides of the ge...[Details]
Introduction
With the development of modern science and technology, automatic control based on embedded systems has been widely used in industry. At present, the mechanical complexity of indust...[Details]
1. Selection of Optocoupler
For optocouplers using a phototransistor, the CTR range is mostly 20% to 300% (such as 4N35), while PC817 (not recommended) is 80% to 160%, and Darlington optocouplers...[Details]