My board is connected to the APP, and the air quality is tested. It changes from 0 to 500, with basically no transition. The temperature and humidity sensors are normal....
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Ultrasonic waves emitted by a 40KHz ultrasonic probe can also have a significant impact on the gyroscope data.
Also, I don’t know if it’s a psychological effect, but I feel like I’m going deaf....
[i=s]This post was last edited by wenyangzeng on 2021-10-31 09:13[/i]Free evaluation - Topmicro intelligent display module (4) displays Chinese charactersThe steps for displaying English strings and C...
On the afternoon of April 13, in the second round of the Tokyo Olympic Women's Football Asian Qualifiers, after overtime, the Chinese women's football team tied with the South Korean women's football ...
I would like to ask if anyone who has used nand flash has encountered a problem and cannot find the cause. At first, the default interface of nand flash is SDR mode. I configured the nand flash interf...
16.1 LCD Controller/Driver FunctionsThe functions of the LCD controller/driver built into the RL78/L13 are as follows:(1) It can select the normal LCD waveform (A waveform, B waveform) or the memory L...
The 330W AC regulated power supply circuit is shown in the figure below. The working principle: R2, R4, R5, R6 The actual values of the five sampling resistors should be: 470kΩ±3kΩ, 3.7kΩ±300Ω, 1...[Details]
Without a $1 chip, the absence of one could hinder the shipment and sale of a more valuable device, appliance or vehicle, according to a new report from accounting and consulting firm Deloitte. Th...[Details]
On May 27, according to 9to5Google, the US operator Verizon's online store removed the 512GB version of Google Pixel 6 Pro without any warning. The price of this version is US$1,099 (approxima...[Details]
Crystal oscillators play a very important role in single-chip microcomputers. The internal circuits of single-chip microcomputers work with crystal oscillators to generate the clock frequency require...[Details]
Valve-regulated sealed lead-acid batteries (hereinafter referred to as valve-regulated batteries) are widely used in practical applications due to their features of saving investment, easy ins...[Details]
#include //Include the header file. Generally, no modification is required. The header file contains the definition of special function registers.
#define DataPort P0 //define the data port. If y...[Details]
Light emitting diodes ( LEDs ) are understandably hampered by thermal issues that prevent them from being an ideal light source. Much attention has been paid to the heat sink, but not much thought ...[Details]
On May 7, the opening ceremony of Yongtai Digital Energy's solar energy storage and charging city station was grandly held at Yongtai Digital Energy's Shenzhen headquarters park. The event was atte...[Details]
At present, there are many infrared thermometer products on the market, which makes us a little dazzled. So how to choose an infrared thermometer correctly and accurately? When choosing, it is necessa...[Details]
US President Trump met with Apple CEO Tim Cook on Friday (24th) to discuss the Covid-19 epidemic and economic conditions. Trump said Cook expects the economy to show a V-shaped recovery. Trump said i...[Details]
The MCS-51 microcontroller is an integrated circuit chip that uses very large scale integrated circuit technology to combine a central processing unit (CPU) with data processing capabilities, RAM, ...[Details]
Huawei Enjoy 10 Plus was officially released yesterday, and Xiaomi, as a friendly competitor, naturally had to come out and comment on it. Lu Weibing, Vice President of Xiaomi Group and General Manag...[Details]
Melexis announces new Triaxis® position sensor chip and new PCB-less packaging option MLX90377 supports more output signal formats, and the new single-mode package (SMP) Improves PCB-free integ...[Details]
According to foreign media AndroidPolice, Google is about to use the dual cameras of mobile phones to improve AR performance. IT Home learned that Google's ARCore SDK allows mobile phones to...[Details]
Simple classification of ARM registers: Figure 1-1:
Figure 1-1
There are 37 32-bit registers in the ARM microprocessor, including 31 general registers and 6 status registers. Howeve...[Details]
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