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The boot time of an oscilloscope is usually 30 seconds or even more than 1 minute, which seems to be commonplace, so almost all manufacturers turn a blind eye to it. However, Zhou Ligong's design con...[Details]
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Incandescent lamps have been used around the world for more than 100 years since their invention. Incandescent lamps add AC power directly to a tungsten filament resistor to generate heat and light...[Details]
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Just as we have become accustomed to scanning code payment, more and more offline face-scanning payment devices are quietly changing our payment habits. Compared with scanning code payment, although ...[Details]
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Providing power to Industrial Ethernet devices requires addressing several issues specific to Industrial Ethernet and industrial applications.
The biggest difference between standard Eth...[Details]
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In the process of embedded application development, due to the use of C language programming, the execution process of the underlying registers of the machine is rarely involved. Generally, the code i...[Details]
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To study the writing of bare metal programs, a "completely naked" environment is necessary. The friendly superboot can provide the ability to execute user-defined programs, but in fact, the program...[Details]
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The intelligence of intelligent lighting control system is mainly reflected in two functional modules, one is intelligent dimming device, the other is illuminance detection, display and compensatio...[Details]
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On April 4, Linxiang City and Suzhou Fuhong Hydrogen Energy Technology Co., Ltd. held a project signing ceremony, marking the official establishment of a fluorine-containing new material project with ...[Details]
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An oscilloscope is an electronic measuring instrument that can transform invisible electrical signals into visible images, making it easier to observe the signal changes. Oscilloscopes are calle...[Details]
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On November 13, 2018, a group of 40 members of the Hengyang Qidong Entrepreneurs Association visited Jinfuli. During the visit, Secretary Liao Wei gave a systematic opening explanation, and Vice Pr...[Details]
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I remember when I went out to look for a job just after the Chinese New Year this year, I had no idea what to do.
When I arrived in Changsha, I wanted to find a job in microcontroller development,...[Details]
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1. Write a helloworld driver The driver source code is as follows: #include #include static int hello_init(void) { printk(KERN_INFO "BBBlackHelloModule enter!\n"); return 0; } static vo...[Details]
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I. Overview 1.1 Five interrupts External interrupt 0 INT0 Timer/Counter (C/T) Interrupt 0 T0 External interrupt 1 INT1 Timer interrupt 1 T1 Serial communication interrupt RX and TX 1.2. Interrupt E...[Details]
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Working principle
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This figure is based on the analysis of the actual object. The power supply provides IC1 with a voltage of about +12V through D2 and R1. The output pulse at pin 6 driv...[Details]
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As the name implies, non-contact temperature sensors are sensors that can measure temperature without direct contact with the object being measured. This type of sensor is widely used in industry, ...[Details]
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