I have two boards, one big and one small. Both boards have Bluetooth modules. Now the Bluetooth module of the big board can communicate with the mobile phone Bluetooth, and the Bluetooth module of the...
[color=#666666][font=Tahoma, Verdana, Arial, "][size=14px]I would like to ask about current detection: What is the difference between high-end detection and low-end detection? Are there any disadvanta...
Abstract: First, the key technical features of 5G Massive MIMO are introduced, and then the connection and difference between this technology and Pre-5G multi-antenna technology are analyzed. The cove...
During the epidemic, many people are using software such as Zoom and Skype for video conferencing. A foreign developer thought that such meetings were too boring, so he developed a "face-changing" sof...
When the MSP430 is used as a slave device and the host simulates the I2C software to communicate with the MSP430, it is important to release the SCLK immediately after sending 8 bits of data. This is ...
In the height of summer
Temperatures continue to rise
Temperatures in many parts of the country have reached over 30°C
Many friends couldn't help but complain
“I’m melting.”
“I owe my life to air cond...
Playing music with a single-chip microcomputer or playing the electronic keyboard actually outputs a series of square waves at a specific frequency. In order to output a suitable square wave, let's st...[Details]
On December 25, according to foreign media reports, technology giants are increasingly designing semiconductor chips on their own to optimize AI functions, improve server performance, and extend batt...[Details]
The plant canopy measuring instrument can be widely used in agricultural production and agricultural scientific research. It is used to investigate canopy light energy resources, measure the interce...[Details]
Not all decoration is completed according to the initial design requirements. In the later work, the decoration has changed, such as the height and the range of sound reinforcement coverage. Then h...[Details]
The following figure shows the two ways of connecting the ammeter: internal connection and external connection.
For power measurement instruments, we hope that the input impedance of the volta...[Details]
The author bought a 3.6V450mAh lithium-ion charger in the electronics market. This article introduces a low-cost temperature control experimental system with AT89C51 microcontroller as the core. Th...[Details]
AVR Learning Notes XVIII: Infrared Remote Control Key Value Decoding Experiment 18.1 Example Function Infrared remote control is currently the most widely used means of communication and remote c...[Details]
The time slice polling method is mentioned in many books, and it often appears together with the operating system, that is, it is often used in the operating system. However, the time slice polling m...[Details]
01 Analysis of the internal structure of the microcontroller Let's think about a problem. When we write an instruction into the microcontroller in the programmer, and then remove the microcontroller,...[Details]
In all discussions of digital power, two key concepts must be distinguished: power control and power management. Ericsson uses the term power control to express the control functions within the pow...[Details]
There are many kinds of relays, and there are more than a dozen types classified by the working principle or structural characteristics of the relay. However, in amateur production and conventional a...[Details]
On February 16, Jingyan Technology disclosed a plan to issue convertible corporate bonds to unspecified objects. The total amount of funds raised in this issuance will not exceed 600 million yuan. Af...[Details]
LED lights
The generation of light is a milestone in the field of lighting. With the increasing demand for energy consumption in the world, the storage of major energy resources in the contemp...[Details]
October is the golden period for project construction. Damao Banner has sounded the charge for key project construction. With a running attitude, a competitive mentality, and a scrambling state, it is...[Details]
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