From the formula (4) in the paper, we can see that when the output voltage of U2 is 0V, the LED is turned on. I want to ask if U2 is a comparator? Because the inverting input terminal is higher than t...
ROS operating system video course content:
Master the basic concepts of ROS. Master the creation methods of ROS custom messages and services. Master the use of common ROS command line tools and visual...
[i=s]This post was last edited by flashtt on 2019-6-21 15:34[/i]I am about to start work. I bought many books before, but I haven't read many of them. The express delivery is really troublesome, and I...
[i=s]This post was last edited by lonfaye on 2019-7-15 08:17[/i]The attached picture is a summary of my recent reading of the IWR1642boost code. I post it here because, firstly, mmWave is definitely T...
Could you please explain in detail the generation of 2HZ? Now using this circuit, the buzzer oscillates very fast. Why does this problem occur when the components are soldered normally?...
DIY players all know that the CPU top cover is made of copper metal. In order to increase hardness and corrosion resistance, CPU manufacturers will plate a layer of nickel on the surface of copper, so...
Every day, we hear about dwindling energy reserves, energy shortages and power outages, and people are looking for new ways to save energy. So, despite these inconveniences and the rising cost of e...[Details]
Early bank evaluators mostly used simple digital tubes to display numbers and accompanied by a few simple sentences to implement a customer evaluation process. The method was too simple, and ea...[Details]
key point: First, the lower 4 bits of the PC port are output and the higher 4 bits are input to determine which column it is, and then cross-assign values to determine which row it is. source code:...[Details]
Rugged embedded computer brand – Cincoze, has launched the new Rugged Computing - DIAMOND product line of efficient and compact embedded computer DX-1200, which overcomes volu...[Details]
Innodisk, a global leader in industrial storage, will hold an AIoT seminar at Xijiao Hotel in Shanghai, China on April 18. After announcing the AIoT strategic alliance in Taiwan in October 2018, Inno...[Details]
Yesterday I was debugging an STM32L151 board using JlinkOB. During debugging, the following error occurred: JLink Error: could not start CPU core. JLink Warning: CPU could not be halted . The r...[Details]
The PCI-SIG organization officially announced that it has established a new Optical Workgroup to study the possibility of introducing an optical transmission interface for the PCIe specification, w...[Details]
GPIO_Mode_In_FL_No_IT
No interrupt for floating input
GPIO_Mode_In_PU_No_IT
Pull-up input without interrupt
GPIO_Mode_In_FL_IT
Floating input has interrupt
GPIO_Mode_In_PU_IT
Pull-up input has int...[Details]
Meizu Blue preheated its new headphone product on Weibo and will officially release it on May 20. According to Meizu Blue's preheating information, this headset uses a new generation of int...[Details]
1. The fastest running speed of the MCU is STM32F103 is 72MHz. The system uses an 8MHz external clock crystal by default. If the hardware uses a 24MHz crystal, the software needs to modify the clock ...[Details]
0 Introduction
With the rapid development of my country's communications industry, the demand for electret microphones is increasing. At present, although some small electret microphones c...[Details]
When using an oscilloscope, do you often need to compare the same parameter values of two channel waveforms for research and debugging? There is a very efficient measurement method on the ZDS2022...[Details]
Israeli battery technology company StoreDot has announced that it has taken an important step towards the commercialization and mass production of its Extremely Fast Charging (XFC) ...[Details]
Reset circuit for low voltage detection IC
• When the voltage of the built-in low voltage reset circuit is different from the application specification, the reset circuit of the external low vol...[Details]
The noise suppression technology of speech signals is based on the sound shielding effect of the human ear, that is, when there is a strong sound signal, the smaller noise signal will be shielded a...[Details]