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Strategy Analytics' latest research report points out that global smartphone shipments in Q4 2019 were 375 million, which was stable compared with the same period last year. Apple ranked first with a...[Details]
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1943 Audio Amplifier
War or no war, this family was wired, thanks to an audio amplifier featured in the May 1943 issue of Popular Mechanics magazine. As you can tell from the stickers on their...[Details]
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On August 30, the EESA 2nd China International Energy Storage Exhibition officially opened in Suzhou.
At the exhibition, Haier Smart Building brought the industry's first energy storage full i...[Details]
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今天，博主@熊猫很禿然爆料，本月将要发布的新品有OPPO Reno系列、Redmi Note系列、vivo S系列、iQOO Neo系列以及iQOO Z系列等等，其中OPPO Reno系列为Reno8新品。 According to previously leaked information, the OPPO Reno8 series is the world's first Q...[Details]
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眾所周知，单个led功率低。为了获得大功率，需要多个并联使用，例如汽车尾灯，并且单个大功率LED价格很贵。LED另外一个致命缺点，显色指数低！在LED照射下显示的顏色没有白炽灯真实，这要从光谱分佈上来分析，属于技术问题。
Another disadvantage is the "light spot". Due to the defects in the manuf...[Details]
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In the past two years, the trend of smart electric vehicles has been unstoppable, which has greatly increased the demand for MCU products. This coupled with the wave of local supply has driven domest...[Details]
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Photoelectric control circuit of lighting lamp
As shown in Figure 2-15, this is the simplest automatic lighting control circuit using a photoresistor as a photoelectric sensor. It consists of t...[Details]
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The simulation schematic diagram is as follows and the MCU source program is as follows: #include reg51.h #include "lcd.h" #include intrins.h #define uchar unsigned char #define uint un...[Details]
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Since Samsung launched its first 5G smartphone in February 2019, the tech giant has released several devices equipped with 5G chips. Qualcomm's introduction of a 5G mid-range SoC also helped accelera...[Details]
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After a long period of rapid development, LED display screens have now been widely used in the display parts of finance, transportation, entertainment, sports and other fields. With the rapid develop...[Details]
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1. What is load dump?
Load dump refers to the sudden change in power supply voltage caused by the load mutation at the moment of disconnection between the power supply and the load. In the fie...[Details]
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Technology media videocardz published a blog post stating that the first batch of GDDR6 video memory versions of GeForce RTX 4070 graphics cards have been released, but the packaging is not much di...[Details]
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1. Reciprocating motion of the trolley
Use S7-200 to realize the automatic control of the trolley's reciprocating movement. The control process is to press the start button, and the trolley mo...[Details]
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.OverviewNCP1205
is a single-ended PWM controller newly launched by ON Semiconductor. It integrates a current control regulator and a demagnetization detector to ensure that the circuit ca...[Details]
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The PIC series 8-bit single-chip microcomputer (RISC microcontroller) developed by Microchip Technology Inc. of the United States, especially the microcontroller with built-in second-generation Fla...[Details]
GD32 MCU
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