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Judging from more and more news, this year's new generation iPhone's rear camera will most likely adopt a heater design, similar to the Huawei Mate 20 series. Now, the industry chain has sen...[Details]
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First, determine the function of the power strip, and then draw the circuit diagram, as shown in the figure. Then buy materials: such as 2 varistors, with a withstand voltage of 380V or gas dischar...[Details]
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The DC dimming function became popular in the Chinese smartphone industry some time ago. Because mobile phone manufacturers promoted DC dimming as being miraculous, some consumers thought that as lon...[Details]
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Based on STC15F101W dimming lamp, button state machine, computer USB power supply, STC15F101W microcontroller driver The microcontroller source program is as follows: /***************************...[Details]
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Traditional oscilloscopes generally only provide DC calibration methods for probe or connection cable calibration, mainly calibrating: 1) DC attenuation 2) offset The calibration pr...[Details]
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In recent years, switching power supplies have developed rapidly due to their advantages of high efficiency, small size and good output stability. However, due to the high frequency, high di/dt and...[Details]
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Thermistors are generally used as sensors to measure temperature. The measurement methods include R-V conversion voltage measurement method and R-F conversion frequency measurement method. The circu...[Details]
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According to Sina Digital News on the evening of April 22, the mobile phone brand realme held a new product launch conference for the realme Q3 series with the theme of "Firefly Youth Leading ...[Details]
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Lee Jae-yong, de facto head of Samsung Group, is said to have traveled to Japan to hold talks with suppliers, hoping to find ways to ease the impact of Japan's export controls on raw materials for Sa...[Details]
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Purpose: To control the LED matrix to display in a row loop through the 74HC595 module. Compiler software: keil5 process: (1) First define the 74HC595 control pins and the dot array control por...[Details]
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1. Overview The PXIe-5668R vector signal analyzer (VSA) provides 765 MHz bandwidth with best-in-class measurement performance and speed. This high-performance microwave signal analyzer can meet the d...[Details]
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In the industry, product color consistency is required. In the process of producing different batches of products, due to the influence of raw materials or production process, product color deviations...[Details]
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Cars are the most widely used means of transportation, and most of them are mechanical and manual switches that control car door handles. From the birth of the car to the present, car keys have gone ...[Details]
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Reference document: RM0008 Reference manual.pdf (STM32 reference manual) Reference section: 11.3 AD functional description 11.3.3 Channel selection 11.3.9 Injected channel management 1. The diffe...[Details]
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We often say that logic devices are the "glue" of every electronic product design, but they are often the last thing you consider when selecting components for your system. It is true that th...[Details]