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The microcomputer relay protection tester comes with a large-screen LCD display and a flexible and convenient rotating mouse controller. The relay protection tester can perform most tests, and it has...[Details]
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On April 8, 2021, the Joint Conference on Strategic Cooperation in Automotive Chips and the First Automotive Chip Security Technology Seminar were held in Tianjin. Beijing CEC HuaDa Electronic Desig...[Details]
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1. Preface
In the second half of the year, I will continue to study STM32. A new starting point for new learning, determined to upgrade. The microcontroller will not be changed, but
the debugg...[Details]
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The research on LED display screen uses a screen of 8×8 dot matrix display, focusing on dynamic processing methods. Due to the limitations of the display screen, only English and numbers can be d...[Details]
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Generally speaking, in the operation and welding of the MINI USB connector seat, please pay attention to each pin aligning with each wiring point on the pad. The back should be pressed lightly with...[Details]
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1. Connect the serial port to the PC
Note: The serial line must be in full state
2. Short-circuit J1 and J2 with a shorting bar.
3. Open Flash Magic software
4. Set up Flash Magic
★ Ope...[Details]
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1. Brief description of I2C protocol
1. Features: multi-master, conflict detection and arbitration
2. Start and stop signals
During the high level of SCL, SDA jumps low, which is the st...[Details]
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1. Fluorescent screen
The fluorescent screen is the display part of the oscilloscope. There are multiple scale lines in the horizontal and vertical directions on the screen, indicating the relati...[Details]
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Abstract: Aiming at the requirements of small size and high performance of portable ECG acquisition circuit, an acquisition circuit consisting of preamplifier circuit, passive high-pass filter, sec...[Details]
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According to Huawei Cloud and Computing, on September 29, the Chengdu Hi-Tech Zone Management Committee and Huawei signed a cooperation framework agreement on the artificial intelligence big data cen...[Details]
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During the stm32 programming process, variable types are often defined, and there is often a worry that the data will exceed the variable type range during the data operation. Because different CPUs ...[Details]
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In the 1980s, Zheng Jianjiang, a 25-year-old auto mechanic from Zhejiang, started his own business. He contracted the bankrupt Longguan Watch Parts Factory and decided to take a gamble. Since then, t...[Details]
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"Putting your phone on the bedside will affect your memory", "Be sure to turn off WiFi when you go to bed at night", "Put a cactus next to your computer to prevent radiation", I believe you have hear...[Details]
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1 Introduction
Barcode technology is the most mature, widely used and successful technology in automatic identification technology. Barcode technology provides an effective and reliable means for f...[Details]
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Figure 1 shows a simple voltage holder circuit. When used to measure the working voltage of a circuit (or circuit board), the voltage value can be kept on the voltmeter for a long time. This can ...[Details]
RF/Wirelessly
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