The Bluetooth adapter BTH v2.0 + EDR on the market claims that the maximum data rate can reach 3Mbps. In our project, we used a Bluetooth module from a small company with a CSR chip. The UART baud rat...
Recently, I am debugging DSP6678 Gigabit Ethernet communication, hoping to achieve a communication rate of 500Mbps; I used two methods to test, and found that the communication rate was not high: 1. U...
The device has no problem at normal temperature, and there is no problem at low temperature of -10 degrees, but at 60 degrees, the LCD display has a distorted screen. [b]Normal display logic[/b] [list...
I saw this sentence on the Internet: The ground potential difference between the two sides of RS-485 communication is required to be less than 1V.I measured the ground potential difference between my ...
Dear experts, I am going crazy. I am using socket to communicate with PC on Arm7 development board. Arm7 receives string from PC iRecv=recvfrom(ClientSock_in, (char *)RecvData, 8, 0, (struct sockaddr*...
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]
*This article is based on the author's report at the "Embedded System Association Theme Discussion (Total 22nd) - Current Situation and Development Prospects of Internet of Things Operating Systems...[Details]
In January, Android 7.0 Marshmallow surpassed Lollipop three years ago to become the second most used Android version in the world. According to
the latest data from
Google
, a snapshot of d...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about
cloud computing
. The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]
;Question: The 80C51 single-chip microcomputer has a fosc = 6MHz. It is required to use the T1 timer working mode 1 to perform a timing of 40ms. And P1.7 periodically outputs a rectangular wave with ...[Details]