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We use assembly language to write a program for the microcontroller to delay 10ms (using MCS-51 with a 12MHz crystal oscillator). We can write the following program to achieve this:
MOV R5,#5 ①
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LED display screen is also called electronic display screen. It controls the display mode of semiconductor light emitting diodes. It is roughly composed of many red light emitting diodes, which dis...[Details]
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Speaking of shake sticks, everyone should be familiar with them, but this shake stick uses a 20-pin STC11F04 microcontroller to control 32 light-emitting diodes. It can display about 13 groups of...[Details]
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According to the Weibo post of "Ningxiang Release", at around 18:12 on January 7, 2021, an explosion and fire occurred in the old factory workshop of Hunan Bangpu Recycling Technology Co., Ltd. (refe...[Details]
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Motor starter tripping causes
The tripping of the motor starter is because the motor starter detects some abnormal conditions during the starting process, and it is a protective measure to pro...[Details]
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"Once that happens, the TangleBot malware can do a lot of different things," Ryan Kalember, executive vice president of cybersecurity at ProofPoint, Cloudmark's parent company, told CBS News. "It ...[Details]
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As PWM pulse width modulation becomes the mainstream of DC motor speed control, in the current motor drive control design, integrated driver chips have gradually replaced traditional transistor dri...[Details]
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On October 22, Huawei nova 9 was unveiled in Europe with a starting price of 499 euros (approximately RMB 3,700). This phone will be officially on sale in Europe on November 2. According to t...[Details]
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The PWM DC/DC converter has the following two operating modes depending on whether its inductor current is continuous.
(1) Continuous Conduction Mode (COM) PWM DC/DC converters usually operate...[Details]
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According to the mynavi website, NEC announced on December 20 that it will set up a "Quantum Computer Promotion Room" in 2020 to work with customers to promote the use of quantum computers, applicati...[Details]
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LED lamp bead parameter introduction: 1. Brightness LEDs have different brightness and different prices. Lamp cup: general brightness is 60-70lm; Bulb: general brightness is 80-90lm. ...[Details]
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On September 7, the Zhongke GUNENG sulfide all-solid electrolyte production base project was signed in Liyang. Chen Liquan, an academician of the Chinese Academy of Engineering, attended the ceremony ...[Details]
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MSC1210 uses an enhanced 8051 core with a clock frequency of up to 33MHz. It has three independent 16-bit timers/counters, an on-chip watchdog, and two universal asynchronous receivers and transmit...[Details]
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LSL: Logical Left Shift LSR: Logical Right Shift ASR: Logical Right Shift ROR: Rotate Right RRX: Rotate Right with Extend There is no ASL (arithmetic left shift) because ASL has the same effe...[Details]
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STMicroelectronics' HFA80A automotive-scale input Class-D audio amplifier combines high efficiency, small size and low bill of materials cost, and optimizes load diagnostic functions for automotive...[Details]