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A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]
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Today, industry insider Zhang Xuan (Weibo ID: @酸数码) pointed out in an interaction with netizens that the MediaTek Dimensity 9000, like the Snapdragon 8, is very expensive, and those who want to...[Details]
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The concentration of the detected gas depends on the gas detection transmitter, and the sensor is its core part. According to the different detection principles, it is mainly divided into metal oxide ...[Details]
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Pointer instruments are divided into two types: magnetoelectric and electromagnetic. Current pointer multimeters are mainly magnetoelectric instruments. Since electromagnetic instruments have low sen...[Details]
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On May 9, 2023, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that
its subsidiary Pinjia has launched an OTC neck-han...[Details]
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Ten functions of frequency converter
(1) Adjustable torque limit.
After frequency conversion speed regulation, the corresponding torque limit can be set to protect the machine from damage...[Details]
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Capacitors are one of the most frequently used electronic components in electronics, but many people do not know how to detect capacitance. Here we introduce several methods of testing capacitance wit...[Details]
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1. Main technical indicators of A/D converter 1. Resolution The resolution of an ADC refers to the change in the input analog voltage required to change the output digital value by one adjacent digit...[Details]
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On June 9, at the 2021 World Semiconductor Conference, Wu Hanming, academician of the Chinese Academy of Engineering and dean of the School of Micro-Nano Electronics at Zhejiang University, delivere...[Details]
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There are two key challenges facing designers of resonant audio systems. The first challenge is to utilize the resonant frequency and resonant region of a speaker or buzzer to produce the maximum o...[Details]
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According to U.S. media reports, on Thursday, U.S. senators from both parties warned the Trump administration not to use Huawei as a bargaining chip. They said the action taken against Huawei was rel...[Details]
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Integrating NFC with mobile phones to provide consumers with a way to conduct valued transactions in a close proximity sensing manner is a function that is now widely discussed and implemented. How...[Details]
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Jintuo Co., Ltd. released its 2019 semi-annual report. The company achieved total operating revenue of 219.5327 million yuan, a decrease of 32.43% from the same period last year; and achieved net pro...[Details]
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Friends who have used iPhone may be very familiar with the mute button on the side of the phone. From the Steve Jobs era to the present day, no matter how the iPhone's appearance and functions have c...[Details]
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Test environment: MPLAB IDE v8.73a
Microcontroller model: PIC18F4520
Required devices: Ultrasonic module
The circuit connection diagram is as follows:
Ultrasonic ranging subfunction:
unsign...[Details]