[size=5][color=#0000ff]A few days ago, the company made a high-power amplifier, and the attenuator was burned. I originally planned to send it back for repair, but I haven't done anything recently. To...
In 2011, we look forward to your joining us to create more excitement for the EEWORLD community!Necessary conditions for being a moderator:
1. Enthusiasm is greater than heaven, and willing to do some...
[p=30, 2, left]For development, we often need to save some parameters. When there is a lot of data, we often use serial flash to store the data we need. Often these serial flashes have a disadvantage,...
CString D3; D3.Format(_T("%0.5f"),d3); n=D3.GetLength(); for(k=0;k
Why do we need to format it into CString first and then char? Isn't it good to just sprintf(ddd3,"%0.5f",d3);?
Isn’t it possible to u...
1. ZigBee is a short-range, low-complexity, low-power, low-cost two-wire wireless communication technology. It is mainly used for data transmission (including periodic data, intermittent data and low-...
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
With the growth of the Internet of Things (IoT), wearable, and portable devices, consumers are growing weary of cluttered cables and the need for frequent battery recharges. The benefits of wireles...[Details]
As automotive technology develops at an ever-increasing pace, the performance requirements for automotive internal structures, components, and accessories are becoming increasingly demanding. The d...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]
With rapid economic development, the types of pollution sources are increasing, especially in chemical and industrial zones and their surroundings. The patterns of pollution and the types of ecolog...[Details]
Thoughts triggered by the Wuhan Radish Run incident
It's so hot, even Ferraris spontaneously combust. A recent incident on a Wuhan overpass: a red Ferrari...[Details]
New energy electric vehicles are energy-saving, environmentally friendly, have low operating costs, and enjoy strong support from national policies. With the growth in sales of new energy electric ...[Details]
With the rapid development of the automotive industry, automotive requirements for control, communication, and network management are becoming increasingly stringent. Hardware platforms based on 32...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
introduction
By the end of 2014, people aged 60 and above in China accounted for 15.5% of the total population, reaching 212 million; those aged 65 and above accounted for 10.1% of the total, ...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]
Making friends through disassembly
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