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As an electronics beginner, using a multimeter correctly is the most basic skill. With the development of technology, more and more electronics practitioners are using digital multimeters. This articl...[Details]
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According to MacRumors, Apple will adopt MicroLED panels as soon as 2024. The first device to use MicroLED screens is the Apple Watch Ultra. In the future, Apple will apply MicroLEDs to iPhone, iPad,...[Details]
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The PIC16F877A integrates two communication modules, the Universal Asynchronous/Synchronous Receiver/Transmitter (USART) and the Master Synchronous Serial Port (MSSP). USART is mainly used for long-d...[Details]
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According to incomplete statistics, about 80% of the failures of current
LED lamps
come from
the power supply
. With
the continuous improvement of
LED light
source packa...[Details]
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This is a schematic diagram of a motor drive Before understanding this picture, let us first understand the conduction principle of the H-bridge drive circuit. Assuming that when the motor rotate...[Details]
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A mass flow meter is an instrument that accurately measures gas flow. Its measured value will not be inaccurate due to temperature or pressure fluctuations, and does not require temperature and press...[Details]
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;The driving signal of the stepper motor must be a pulse signal!!! The rotation speed is proportional to the pulse frequency!!!
; 28BYJ48 stepper motor step angle is 5.625 degrees
; A group coil c...[Details]
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According to news on January 10, Qualcomm CEO Cristiano Amon said that the company's automotive chip business is expected to exceed sales expectations, which will help reduce Qualcomm's dependence on...[Details]
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Apple has been seeking to increase the geographic diversity of its supply chain, and moving some AirPods production to Vietnam is an important step for the company. Apple reportedly began trial produ...[Details]
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The emergence of LED lamps has changed the entire lighting market, replacing the original halogen lamps and fluorescent lamps (CFLs) in buildings and streets. Engineers often compare LED lamps fr...[Details]
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On the evening of December 23, AAC Technologies announced that it is considering proposing to spin off its optical business held through Chengrui Optics and list it independently on a Chinese stock e...[Details]
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Modern industrial production and scientific research have increasing requirements for data acquisition. In some high-speed and high-precision measurements such as transient signal measurement and i...[Details]
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Bits and bit operation instructions
Through the examples of the running lights above, we have become accustomed to the "bit" that means a light is on or off, but the instructions we have learned are...[Details]
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The high-voltage differential probe is a type of probe and is an oscilloscope probe designed using the principle of differential amplification. Mainly used to observe differential signals. Differe...[Details]
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CAN bus (Controller Area Network) is a widely used fieldbus communication protocol, mainly used in the fields of automobiles, industrial control, etc. In CAN bus communication, the interrupt state ...[Details]
Analog electronics
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