I want to use STM32 to make a 4*4 matrix keyboard. How do I configure the row GPIO connected to VDD through a pull-up resistor? How do I configure the GPIO port for column output? It's a small questio...
On the surface, mixing is a very simple matter. All you have to do is adjust some knobs until everything sounds good. But in practice, you will realize that mixing is indeed a very complex technology....
[i=s]This post was last edited by yhye2world on 2018-6-11 08:51[/i] The company plans to develop a battery-powered product, requiring the battery life to be 1 year (the battery is powered for 1 year a...
[color=#1a1a1a][font=-apple-system, BlinkMacSystemFont, "][size=15px]I would like to ask you about the DSP28335 issue. Can I temporarily disable the epwm_isr interrupt in the program and then enable i...
Changed to a new CPU, BSP also changed. (Previously, the stream driver written by EVC was done) For SDHC (SDIO interface, SD card interface). Generally speaking, the following stream interfaces SDH_Cl...
In the current PC I/O mode, external devices are usually mapped to the CPU's I/O address space and are assigned a specified IRQ (interrupt request), or in some cases a DMA channel. These system resour...
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[Details]
introduction
In today's busy society, people experience chronic high stress, which in turn poses a significant threat to our health. Therefore, effectively relieving stress has become a pr...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
introduction
In recent years, with the increasing number of high-rise buildings, the demand for elevators has also increased. Currently, the elevators we use most often use LED dot array displ...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
Challenges come from multiple dimensions, and data centers on wheels require more rigorous testing.
Comparing the past, present, and future of automobiles, one clear trend emerges: cars ...[Details]
Preface
Embedded systems have been widely used in mobile phones, wristbands, tablet computers, and other devices. However, due to the limited processing performance of their central processing...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
stm32/stm8
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