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(1) Create the database file test.db
#cd /home/www
#sqlite3 test.db
SQLite version 3.7.7.1 2011-06-28 17:39:05
Enter ".help" for instructions
Enter SQL statements terminated wit...[Details]
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Chip: stm8s103F3P6 Software environment: IAR for stm8 2.20.3 Functional description: Use timer 1 (PD4-Tim1_ch3) to output a 100Hz 50% duty cycle PWM waveform; Timer 1 (PC6-Tim1_ch1/2) detects t...[Details]
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NAS stands for Network Attached Storage, which can be translated as network attached storage. It is a professional network data storage and backup device. It is data-centric, completely separates s...[Details]
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According to foreign media reports, if you own a car produced in the past five years or so, and it is equipped with an automatic transmission, it is likely equipped with a stop/start system . However...[Details]
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The result of the conversion by the serial A/D converter is output in serial mode. The serial output of digital quantity can simplify the system connection, reduce the area of the circuit board, ...[Details]
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Let's first look at the MOS model:
Cgs: It is formed by the overlapping electrodes of source and channel regions, and its capacitance value is determined by the size of the actual area a...[Details]
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With the promotion and application of dry-type transformers, their production and manufacturing technology has also made great progress. It can be predicted that dry-type transformers will achieve ...[Details]
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Shanghai Acas Microelectronics Technology Co., Ltd. was established in May 2020 in Zhangjiang Hi-Tech Park, Pudong, Shanghai by senior chip design automation (EDA) experts who returned from Silicon V...[Details]
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Less is more is the old rule in the modern consumer industry. Today’s popular devices are characterized by convenience, compactness and the advantages of old products. This trend started with the s...[Details]
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If a landline telephone is installed, the 50V DC voltage fed by the telephone line can be used to measure the voltage regulation value of the Zener diode below 40V. the way is; 1. Use a multimeter ...[Details]
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The impact of the coronavirus epidemic that originated in Wuhan on electricity consumption has already become apparent.
Relevant power consulting agencies are organizing research on this topic...[Details]
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For hundreds of thousands of years, the human brain has been the most powerful computer on Earth. Our brains are an unparalleled evolutionary masterpiece that is capable of logic and reasoning, as...[Details]
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The so-called industrial PC/embedded PC104 motherboard matching solution mainly refers to the IPC (industrial motherboard) or ARM with built-in CPU and display control function to directly control ...[Details]
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ST won the title of Excellent Partner of the Ministry of Education Earlier this year, STMicroelectronics (ST) was awarded the title of "Excellent Partner of the 2019 Ministry of Education Industry...[Details]
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In portable instruments, a very low-power light-detection circuit can be used to automatically monitor the background light. This function can be easily implemented with a logic gate or Schmitt tri...[Details]
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