1. As the title says ```` 2. Also, if there is no data transmission for a period of time, will it be automatically disconnected? 3. Can I continue to send AT commands after disconnection? 4. Thank you...
I want to pair the nRF 51822 Bluetooth module with the Bluetooth Smart of a smart bracelet. The nRF51822 Bluetooth module acts as the host, and the smart bracelet acts as the slave, sending the data d...
PCB, or printed circuit board, is the carrier of electronic circuits. In modern electronic products, PCB is used almost everywhere. PCB design is the last link of circuit design and also the redesign ...
[color=#000000][backcolor=white]In the book (The Art of Electronics), I saw "If the residual drift of the integrator is still too large for a given application, it may be necessary to put a large resi...
[align=center][align=left][size=5][b]Android Internet of Things Development from Getting Started to Actual Combat[color=#ff0000]([url=https://www.eeworld.com.cn/a17312]Click to download[/url])[/color]...
1. The most basic: when the system starts running OSStart(), it will trigger a scheduling. 2. When a new task is created, if the system is in running state at this time, it will trigger a scheduling. ...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
I have been working on this i2c for several days. Many people on the Internet say that this is a problem with the ST package library, and they basically talk about the STM32F1 series of chips, and ev...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
Recently, the relevant person in charge of the Energy Conservation Division of the Energy Conservation and Technology Equipment Department of the National Energy Administration said on the issue of...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]