1. GPIO Example
Just follow the routine compilation process and select three routine functions in main.c
/* GPIO_INT、GPIO_PC13、LED_BLINK */
APP_GPIO_Test(LED_BLINK);GPIO_INT uses interrupt mode to obt...
As shown in the figure, the output of the built-in DAC of STM32 is a step wave, which is amplified by the amplifier circuit to drive the piezoelectric ceramic. However, after the piezoelectric ceramic...
Feedback circuits are widely used in various electronic circuits. Feedback is to feed back part or all of the amplifier output signal (voltage or current) to the amplifier input terminal to compare wi...
The USB Power Delivery (PD) standard supports up to 100W of power delivery over USB, which is enough to drive high-power devices such as laptops, monitors, and DLP? movie projectors. USB PD adapters ...
Recently, Qorvo mentioned in an article :
As a RADxSM-supported company, Qorvo works with the RADx SM Variant Working Group to regularly validate the Omnia SARS-CoV-2 Antigen Test's response to emergi...
On the morning of September 22, today, the well-known foreign disassembly station iFixit disassembled the recently released Apple Watch Series 6. Although the new Series 6 is very similar to t...[Details]
On December 2, Xiaomi Group announced that it would issue bonds and place shares in Hong Kong to raise up to US$4 billion. After the financing plan was implemented, Xiaomi's stock price once plunged ...[Details]
On October 16 and 17, the 500 kV transmission projects of the UHV Heze and Zaozhuang substations of the Shandong-Hebei ring network project were completed and put into operation. The 500 kV parts o...[Details]
Recently, the news that the price of the domestically produced Tesla Model 3 has “broken 3” has been a hot topic in the automotive industry. Domestic automakers are worried that this “catfish” will c...[Details]
The invention of OLED and its light-emitting principle
Currently, the mainstream OLED technology was discovered by Steven Van Slyke of Kodak, a major American film company, in 2019.
...[Details]
I want to transplant uboot1.4 to the board, but I failed after a long time. I am determined to understand the principle and process of uboot, so I decided to write a simple bootloader to sort out what...[Details]
Co-author: Zhang Kai/ Wang Kuidong from SAIC Volkswagen; Dai Jiahao from Thinking Connector Preface: In recent years, the light source of car lights has evolved from the original halogen lamps - xe...[Details]
Qinghai Province is an important part of the Qinghai-Tibet Plateau. It is known as the "Chinese Water Tower" and the "Animal Kingdom". It is one of the five major pastoral areas in China. However, due...[Details]
I saw a 16X16LED Chinese character display made by a friend on 51hei's forum. I wanted to make one as a birthday gift to express my love for it! To satisfy my hands-on hobby!
The driver circuit is...[Details]
In many cases, it is necessary to bury the grounding body and lead out the grounding level so that the equipment can be reliably grounded. To ensure that the grounding resistance meets the requirement...[Details]
Strengthening the automation product application development system in China On March 31, 2022, Mitsubishi Electric Corporation announced that it will open the "China Co-creation Center" within Mit...[Details]
High-power LEDs present challenges to electronic engineers who need to design accurate, efficient, and simple drive circuits. Typically, driving a string of high-power LEDs with precise currents ...[Details]
Universal Serial Bus (USB) is a new generation bus interface standard jointly launched by seven world-renowned computer and communication companies, including Intel, Compaq, Digital, IBM, Microsoft...[Details]
In recent years, the development of electronic technology has promoted the prosperity of multimedia devices. At the same time, with the widespread demand for portable devices and mobile terminals, low...[Details]
An outdoor photovoltaic module test platform proposed on the basis of the traditional working mode electronic load , with a programmable electronic load that automatically switches the working mod...[Details]
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