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[i=s]This post was last edited by anananjjj on 2019-11-10 21:13[/i]By chance, I was searching for something and found that the content briefly described in the Lichee Pi Zero User Guide (http://zero.l...
This circuit is all you need to amplify 4V to 2500V! The most comprehensive analysis of the internal circuit of an electric mosquito swatter on the Internet~...
5G industrial router is a kind of wireless data transmission function that uses public wireless network to provide users with wireless data transmission. How to choose a good 5G industrial router is n...
I bought a WS2812 ring board and wanted to use it to make an analog clock. Normally, 60 LEDs are the ideal choice, but because of the high price and large size, I finally chose a board with 24 LEDs. I...
How to route Kelvin type switch PCB?
For example:
For switches like NVH4L020N120SC1 (TO-247-4L), does S1 need to be laid together with S2 when laying copper on the PCB? Or should S1 and S2 be laid apa...
Jiwei.com reported on August 27 (Text/Digital Control) that Baidu Netdisk finally welcomed a strong competitor. According to media reports, Alibaba recently launched an independent App called "Ali Cl...[Details]
Yesterday, Honor 9X was officially launched and achieved gratifying results. After achieving over 200 million sales in 2 minutes, it set a new record for the first sale of new mobile phones on Tmall ...[Details]
As the weather gets colder, global automakers are also starting to "winter". Recently, news of layoffs and salary cuts by several major auto giants has attracted widespread attention. It is reporte...[Details]
1. Voltages below 36V are safe voltages. When measuring voltages higher than 36V DC or 25V AC, check whether the test leads are in reliable contact, whether they are connected correctly, whether they...[Details]
The function of the I/O interface is to connect the I/O circuit and peripheral devices through the system bus of the CPU. According to the complexity of the circuit and the device, the hardware of ...[Details]
On September 7, the 2019 World Internet of Things Expo opened in Wuxi, Jiangsu. As the only project in the field of large power grid security control, the large power grid integrated security intel...[Details]
Electromagnetic flowmeters are mainly used to measure the volume flow of conductive liquids and slurries in closed pipes. Including highly corrosive liquids such as acids, alkalis, and salts. The c...[Details]
The working principle of the ultrasonic level meter is that the transducer (probe) emits high-frequency ultrasonic pulses, which are reflected back when encountering the surface of the measured med...[Details]
Hardware: max6675 STC12C5A60S2 K-type thermocouple
Function: Read the temperature of K-type thermocouple and print the actual temperature through the host computer
Difficulty:...[Details]
IT Home reported on July 7 that digital blogger @坏评帝 exposed a patent drawing of the appearance of OPPO gaming phone. From the picture, we can see that the design of the phone is very stylized,...[Details]
Since the end of March last year, when Xiaomi officially announced its plan to build a car, news about its car-building efforts has continued to come out, and the car industry has also been paying at...[Details]
This infrared thermal imager can be worn on the head or installed on a helmet. It does not need to be held in hand and is easy to use. It uses a unique uncooled focal plane sensor and is designed acco...[Details]
China Energy Storage Network News:
On October 1, the East China Branch of State Grid Corporation of China carried out a four-level dispatching coordinated interactive response test of ubiquit...[Details]
More than half of 2017 has passed, and the hot search in the mobile phone circle in the first half of the year is full-screen . Since February, a large number of full-screen mobile phones have been...[Details]
I saw a question about rotating queues and found it quite interesting. Although it is just a numerical processing problem, the process of finding patterns is still quite interesting. There are already...[Details]
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