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In order to effectively eliminate fire safety hazards in residential areas, prevent the occurrence of fire accidents, continue to promote the three-year special rectification action for fire safety...[Details]
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By David Decker, Director, Interconnect Technology, Samtec Inc. As component density in electronic systems increases, designers often choose connectors with a coplanarity of no more than 0.10 mm ...[Details]
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A unijunction transistor is also called a double base diode and its symbol and shape are shown in the figure. The method to determine the emitter E of a single junction transistor is to set the mul...[Details]
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In response to rumors that Huawei stole American technology, Huawei CEO Ren Zhengfei responded in an interview with foreign media; Redmi K20 is about to be released, and the configuration of the phon...[Details]
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After a few years, you may not have to move bricks anymore.
On February 15, Monumental, a construction
robot
startup, announced on its official website that it had completed a new roun...[Details]
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The calibrated on-chip RC oscillator provides a fixed 1.0, 2.0, 4.0, or 8.0 MHz clock. These frequencies are nominal at 5V, 25°C. This clock can also be used as the system clock by programming the CK...[Details]
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Overview The CH552 chip is an enhanced E8051 core microcontroller compatible with the MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions, and the average instruc...[Details]
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1. Introduction From 1998 to 2003, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China conducted 6 national supervision and random inspectio...[Details]
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Experimental Task 1: Textbook P15 Make 8 LEDs flash simultaneously and make a delay analysis
Experimental principle diagram (a) as above
The experimental procedures are listed b...[Details]
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Exception handling Location of the exception vector The early_trap_init function in arch/arm/kernel/traps.c copies the exception vector to a specific location so that when an exception occurs, arm ca...[Details]
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8051 MCU chip expansion data memory complete case The following is the proteus simulation schematic: MCU source program: #include reg51.h #include absacc.h sbit K1=P3^4; sbit K2 =P3^5; vo...[Details]
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Structure of Figure 1 To check the insulation of motors, electrical appliances and circuits and to measure high-value resistance, megohmmeters are often used. A megohmmeter is an instrument that use...[Details]
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Analysts at market research firm Canalys predict that the global smart speaker market will reach 200 million units by the end of this year. Canalys predicts in a new report that the number of us...[Details]
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This article lists 22 common concepts about ARM, including some usage precautions, ARM startup code design, ARM processor operation mode, exception types supported by ARM architecture and some basi...[Details]
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Classification of memory:
Memory has become an indispensable component in PC or embedded hardware platform due to its advantages of fast access speed and simple access method. Before starting ...[Details]
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