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RJ11 connector and telephone interface detailed introduction
When you mention RJ11, you know that it is a universal telephone connector. In fact, it was originally a generic name for a...[Details]
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There are usually two ways to detect whether the ordinary zinc-manganese dry battery has sufficient power. The first method is to estimate the internal resistance of the battery by measuring t...[Details]
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Digital identification to distinguish live wire/neutral wire (experience shared with forum friends) Step 1: Prepare AC, digital multimeter, and test pen Set the digital multimeter to AC (700V). . ...[Details]
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STMicroelectronics Launches Isolated Step-Down Converter to Reduce Bill of Materials Cost for Automotive and Industrial Applications
China, August 9, 2021 - For isolated buck regulat...[Details]
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Abstract: The automotive electronics industry has high product added value and strong synergy effects in related industrial chains. In recent years, it has gradually become another major industrial c...[Details]
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1. Experimental Task I/O parallel port directly drives LED display
Each time switch SP1 is pressed, the count value increases by 1, and the binary count value is displayed through P1.0 to P1.3 o...[Details]
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Laser cutting machines can cut materials to the nearest millimeter.
When we turned the car's steering wheel, the wheel easily achieved precise turning angles;
…
In our lives, t...[Details]
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The format of the MOV instruction in ARM is as follows
op2 occupies 12 bits, of which bit11-bit8 is the shift number (rotate), bit7-0 is an 8-bit immediate number (imm), MOV Rn, op2,...[Details]
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On June 15, Toyota submitted a document to regulators to defend Akio Toyoda, who was opposed by foreign investors. It is understood that at the recent Toyota Annual General Meeting of Shareholders, A...[Details]
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1 Introduction This paper mainly studies the driver of the stepper motor based on the 8051 single-chip microcomputer. The driver adopts the H-bridge drive circuit, which enables the stepper motor to ...[Details]
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LED chip
is
a PN
combination
formed
by rearranging the P-layer
semiconductor
elements and the N-layer semiconductor elements by electron
movement
. LE...[Details]
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LED is called the fourth generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life and small size. It can be widely used ...[Details]
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This is a simple solar LED lamp, which uses a handmade solar collector to light up the LED lamp in the middle. Designer Jonathan incorporates more concepts into it. This outdoor LED lamp named He...[Details]
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STM8 interrupt priority The interrupt of STM8S is controlled by the interrupt controller (ITC). All IOs of STM8 support interrupts and are divided into 5 groups: PA~PE. Each group of IO correspon...[Details]
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1 Introduction
The multifunctional pager signal instrument is commonly known as the pager code transmitter. As an important pager maintenance and debugging equipment, it is necessary for t...[Details]
PCB Design
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