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Hand-operated self-generating flashlight
1. Energy-saving product, built-in micro power generation system using Faraday principle, just press the power generation handle lightly, it can power ...[Details]
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1. Main technical indicators of pulse signal generator (1) Repetition frequency: 10 Hz to 1 MHz (i.e., repetition period is 100 ms to 1 μs). (2) Pulse width 0.1～1 000μs, divided into 4 levels. (3) Do...[Details]
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ALU - Arithmetic Logic Unit AVR The ALU is directly connected to 32 general-purpose working registers. ALU operations between registers and between registers and immediate values only require one c...[Details]
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LCD panel prices have been falling recently, becoming a drag on the profits of Samsung Display, a South Korean panel giant. The latest news from Korean media pointed out that Samsung Display was orig...[Details]
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Steam vortex flowmeter is mainly used for flow measurement of industrial pipeline medium fluid, such as gas, liquid, steam and other media. It is characterized by small pressure loss, large range, hi...[Details]
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Recently, a friend asked me that he bought an oscilloscope with a nominal refresh rate of 200Kwfms/s. He was very curious and asked me if I could measure it. I told him that I could. Compared with th...[Details]
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The engine ignition test is an important part of the engine factory inspection. In order to ensure the quality of the engine, a rapid detection cold test technology is proposed to meet the needs of...[Details]
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There are currently two mainstream air tightness testing methods on the market, one is direct pressure air tightness testing, and the other is differential pressure air tightness testing. Below, the ...[Details]
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What are FIQ and IRQ FIQ (fast interrupt) and IRQ (normal interrupt) are two processor modes in ARM processors. ARM has 7 processing modes. Both modes are used to handle interrupts. The concept of in...[Details]
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In view of the many advantages of ARM microprocessors, with the gradual development of embedded application fields at home and abroad, ARM microprocessors will inevitably gain widespread attention an...[Details]
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Not long after the 2019 Shanghai Auto Show came to an end, tens of thousands of visitors got to see the beautiful cars of major brands, and the development status of autonomous driving technology onc...[Details]
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When repairing integrated circuits, it is often necessary to remove the integrated circuits from the printed circuit board. Since the integrated circuits have many and dense pins, it is difficult t...[Details]
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The following error occurs when compiling a project with STVD+COSMIC (loading someone else's project): #error clnk Debugdemo.lkf:47 can't openfile crtsi0.sm8 #error clnk Debugdemo.lkf:60 can't openfi...[Details]
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vivo has previously launched the Y21, Y21A, Y21T, Y21e, Y15, and Y15s overseas, and now passionategeekz has revealed that the vivo Y21G and Y15C will soon be launched in India and globally. ...[Details]
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The PS1719 module is specially designed for charging 3.6V lithium-ion batteries, and can also be used to charge two-cell coal boilers or hydrogen-containing batteries.
The typical application circu...[Details]
Microcontroller MCU
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