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Generally speaking, factory equipment basically considers the relay output points. The service life of relays is limited. After using for a period of time, they may break down. In this case, you ca...[Details]
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Abstract: In CMOS image sensors, A/D plays a "connecting" role, receiving the signal from the front end, converting it into digital output, and its performance indicators directly affect the quality ...[Details]
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"I swear that I volunteer to join the Party member commando. We will resolutely shoulder the most arduous burdens and go to the most dangerous places." On February 24, at the 4S094 tower assembly s...[Details]
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The clamp-type grounding resistance meter is suitable for measuring electrical systems with loops. It adopts an indirect measurement method with high accuracy and strong pertinence. It does not requi...[Details]
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1. Basic principles of crystal oscillators
Quartz crystals, both natural and artificial, are an important piezoelectric crystal material. Quartz crystals themselves are not oscillators. They can...[Details]
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The stopwatch time is set by the timer, and the set time is displayed through the common cathode digital tube. #include reg52.h #define uchar unsigned char #define uint unsigned int uchar cod...[Details]
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Compared with other instruments, pressure instruments have the characteristics of "four mosts" in commissioning and verification, namely, the largest number of equipment, the most complete standard in...[Details]
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In order to accelerate the improvement of charging and swapping infrastructure service guarantee capabilities and support the development of the new energy vehicle industry, the "Implementation Opini...[Details]
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In fact, there is a lot of information and examples for NRF24L01 on the Internet, so there shouldn't be any big problems, but various strange problems did occur, which took a lot of time. STM32F103...[Details]
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According to Jiwei.com, at the Xiaomi CC9 series launch conference, a total of three products were launched, namely Xiaomi CC9, Xiaomi CC9 Meitu customized version, and Xiaomi CC9e. Among them, the m...[Details]
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The mobile phone market has entered the era of inventory, but the overall space is still expanding. In the past year, shipments in the Chinese market alone reached 300 million units. After enter...[Details]
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SCI interface circuit
The chip used in the SCI interface circuit is MAX232, which can convert the +5V voltage used by the microcontroller into +12V for use in the "Hanwang" handwri...[Details]
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The simplest actual circuit of 5V/5W switching power supply is as shown in the figure. TOP210 (IC1) in the picture is a three-terminal PWM switch. IC1 contains PWM controller, power MOSFET and vari...[Details]
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On the 14th, reporters learned that Ji'an City will invest 5 billion yuan in the Jinggangshan Economic and Technological Development Zone to build the world's largest and most cost-effective solar cel...[Details]
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New 3D bioprinter. Image source: University of Melbourne, Australia
Scientists at the University of Melbourne in Australia have developed a new high-speed 3D printer. This advanc...[Details]
Analogue and Mixed Signal
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