Many times we may already have a rough idea of the circuit results and need to perform some basic operations on the circuit waveform, but it still takes some time to continue building the circuit, so ...
The MQTT protocol is built on top of the TCP protocol, just like a car chassis can run with four tires, but if you want everyone to drive more comfortably, we still have to add a shell to the chassis....
[i=s]This post was last edited by lemon1394 on 2021-8-18 22:00[/i]Using the frame buffer method to display Chinese characters or pictures, the algorithm becomes very simple.
Not only can it be used fo...
The low noise block (LNB) is a key functional block in the receiver chain of a satellite communication system. The LNB basically consists of a low noise amplifier (LNA) chain and a downconverter. Alth...
Malicious web crawler attacks increased by 15% during the Chinese New Year, and by 150% during the Japanese New Year. March 16, 2022 - Akamai Technologies, Inc. (Akamai), a global enterprise soluti...[Details]
Fault phenomenon Output level out of tolerance Testing process After testing, it was found that the output level of the instrument was below 3G, around 20G, the tolerance was large, and the amplifi...[Details]
DS's fatigue monitoring system combines a pair of infrared cameras with constantly updated vehicle positioning data and has been installed on the DS 7 Crossback model, which competes with the Audi...[Details]
According to IT Home on November 18, OPPO recently had several models pass the national 3C quality certification. The PFDM00 and PFJM10 models support 65W fast charging. It is reported that the...[Details]
ams OSRAM launches high-performance 3D sensing proof-of-concept system to support advanced driver status monitoring
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The ICARUS proof-of-concept system provides a working demo...[Details]
1. Working Principle of Interrupt and Timer 1. Interrupt concept: 1 CPU processes event A and event B occurs for processing (interrupt occurs) 2 CPU temporarily interrupts the current work and switch...[Details]
As the third largest CPU architecture after x86 and ARM, RISC=V has developed rapidly with the advantages of open source and free. It was mainly used in the low-power market, but now it has also begu...[Details]
Against the backdrop of the rapid development of the
smart home and
service robot
industries, home appliance giant Haier and humanoid
robot
startup Leju have reached a strategic part...[Details]
1. Process 1 and 2 are initialization processes. Each read must be initialized, otherwise 18b20 is in standby state and cannot be read successfully. Process 1: Pull down the signal line for 480-7...[Details]
If you are driving an LED, then a resistor of about 1K will do. If you want a brighter brightness, the resistor can be reduced, but the minimum value should not be less than 200 ohms, otherwise the c...[Details]
Microchip’s 53100A Phase Noise Analyzer is a very high-quality and high-performance tool (Figure 1) that can measure the amplitude, phase, and frequency stability of RF sources. It has a wide measure...[Details]
Experiment 2: Output Compare The so-called output compare function is to set the value of the output compare register as needed. The value of the free-running counter is compared with the value of th...[Details]
Abstract: This paper designs a fingerprint access control system based on ML67Q5250 and PoE, and describes the system structure, working principle, software and hardware design. The system has the ad...[Details]
The imaging spectrometer was developed on the basis of multispectral remote sensing imaging technology starting in the 1980s. It acquires hyperspectral images of scenery or targets with high spectral...[Details]
According to foreign media the verge, ARM officially announced its latest products, the Cortex-A78 CPU and Mali-G78 GPU today, and said they will be used in the next generation of flagship smartphone...[Details]
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