Can the administrator help me apply for the following boards for trial? Or is there any student willing to sell them so I can buy them? 1. Pocket-RIO 2. UDOO 3. Cubieboard 4. PCduino 5. PCduino...
This porting of the X-NUCLEO-IKS01A3 sensor driver is based on the CORE-STM32F103C8 development board. The driver porting is similar to the previous NUCLEO-STM32L011K4, mainly due to the difference in...
sylar^zST Sensors & Low Power Wireless Technology Forum
Using LM339 to generate a triangle wave. Why is there 7.5V at both ends of the comparator and the capacitor at the beginning? Is it a problem with the simulation software? ? I don't quite understand i...
When designing a PWM wave RC filter circuit, the time constant should be determined based on the response time requirements, and the RC time constant should be much larger than the PWM cycle. The RC c...
Dear seniors, I would like to ask that after the DRC check, there were no problems. I performed a DFA check and many component pads had the same errors. I don’t know how to fix it. Can you please give...
On May 12, 65 projects were signed at the Xi'an Investment Environment Promotion and Key Project Signing Ceremony, of which 51 were contracted projects with a total investment of 213.966 billion yuan...[Details]
The mouse used here is a PS/2 protocol mouse, and the test mouse is a common optical computer mouse (hereinafter referred to as the slave), which has a scroll wheel, three buttons, etc. The p...[Details]
In order to further ensure reliable, high-quality, efficient and intelligent power supply services, the State Grid Hebei Electric Power Co., Ltd. recently took the lead in compiling the "Guidelines...[Details]
1 Introduction
Frequency conversion technology was born to meet the needs of stepless speed regulation of AC motors. Since the second half of the 1960s, power electronic devices have devel...[Details]
Positioning and related services have quickly found a wide range of applications and prospects in handheld devices, and users are increasingly relying on positioning services. How to accurately find y...[Details]
In recent years, with the continuous advancement of the national integrated circuit planning, various regions have launched wafer manufacturing projects. While a large number of projects have been co...[Details]
The U.S. Federal Communications Commission (FCC) has recently submitted a new document for "Lenovo VR3030S". According to the document, Lenovo is about to launch its first independently developed VR ...[Details]
On April 25, Huitongda Network Co., Ltd. signed a strategic cooperation agreement with Shanghai Hanxia Recycling Technology Co., Ltd. Feng Xinzhen, Assistant President of Huitongda Network and Gene...[Details]
With the rapid development of LED lighting industry, the LED power supply market is also expanding rapidly. On the one hand, traditional power supply manufacturers have launched LED power supply ...[Details]
Configuration process: 1: System clock initialization, including system clock and the clock configuration of the IO port and serial port to be opened. The clock of the serial port must be opened!!!...[Details]
For general contact pairs, the volume resistance is very small compared to the contact resistance at the interface between the contact parts, and the value basically does not change. Therefore, the...[Details]
In the previous two classes, Pi Ziheng introduced two typical input files in embedded development: source files (.c/.h/.s) and link files (.icf). Pi Ziheng is going to ask again, are there any inpu...[Details]
1. Introduction to principles 51 There is a full-duplex serial interface inside the microcontroller. What is a full-duplex serial port? Generally speaking, a serial port that can only receive or send...[Details]
This article discusses methods for providing light emitting diode ( LED ) dimming, analyzes the effect of LED dimming on its long-term performance and the color stability of the emitted light, and sp...[Details]
In 2024, the growth of the AR industry is significantly faster than that of VR devices, and shipments have also increased. The differences between the AR and VR industries reflect that consumers' p...[Details]
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