Another week has passed. I tested it twice this week. The first time, as everyone said, I couldn’t connect to the Internet. After trying N times, I still failed. Later, I found that I needed to use a ...
As shown in the figure, I converted +5V to -5V through MAX735, and then supplied the positive and negative 5V to the dual power amplifier. Once powered on, -5V was pulled down to 0V. After disconnecti...
Designers of Internet of Things (IoT) products are currently gravitating toward wireless connectivity based on Wi-Fi because it is widely deployed and well understood. However, any type of RF function...
[align=left][font=-apple-system,][color=#000000] Recently, a project was deployed. Party A used a virtualization platform and the servers provided were all virtualized cloned machines. The default par...
introduction
At present, the reversing device commonly used in my country is ultrasonic reversing radar. Although this device can accurately measure the distance between the rear of th...[Details]
As a safe and clean fuel and chemical raw material, natural gas is increasingly used in corporate production and residents' lives. How to ensure the accuracy of the natural gas metering system and th...[Details]
Humanoid robots are mobile and have many degrees of freedom, including arms, neck, waist, legs, etc. They can complete more complex tasks. These joints need to be connected together for unified coo...[Details]
1. Research Background and Design
RFID
is the abbreviation of Radio Frequency Identification. Radio Frequency Identification is a contactless automatic identification technology that uses rad...[Details]
I. Introduction There is no ROM inside the S3C2440 chip to store user code, so the user code needs to be saved in an external memory. If it is NorFlash, you can run the program directly in NorFlash, ...[Details]
Introduction For much of the 20th century, electric utility meter readers recorded electricity usage by going door-to-door and reading electromechanical counters on electric meters. Return to the ...[Details]
Simple configuration of the linux-arm development environment is the first step in learning ARM. Many beginners will struggle with this issue for a long time and cannot configure the development envi...[Details]
In the past, when designing a power supply, power design engineers would spend a lot of time on model selection, circuit design and evaluation. Since power supply design involves EMI, efficiency, per...[Details]
1 System design scheme The system is provided with two voltages of ±12 V and ±5 V by a DC voltage regulator. When the ±12 V power supply is set, the system voltage output full scale is 5V, and t...[Details]
Imagine getting a lightbulb as a gift. LEDs, alternatives to spiral bulbs, are rare and expensive, but I got one last Christmas. But we're heading toward a crossroads where LEDs will become mor...[Details]
Fault phenomenon and troubleshooting
Precautions
1. Please read the manual carefully before using the instrument and connect the wires according to the correct wiring method in the manual.
2. ...[Details]
Because they only have two levels of superposition, the qubits used in today's quantum communication technology have limited storage space and low tolerance for interference. The new super-...[Details]
In recent years, LED as a new energy-saving light source has won high investment enthusiasm and great attention in the world and China, and has penetrated from outdoor to indoor lighting applicat...[Details]
On November 1, the Guangzhou Municipal Bureau of Industry and Information Technology issued the "Implementation Plan for Promoting the Construction of New Energy Storage Industrial Parks in Guangzh...[Details]
RF/Wirelessly
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