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The fabric hydrostatic pressure tester HST-01 developed and produced by Jinan Zhongce Electromechanical Equipment Co., Ltd. is used to test the water pressure resistance of coated fabrics, non-woven ...[Details]
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After the iPhone 14 Pro CAD renderings surfaced online recently, the renderings of the iPhone 14 model have now been exposed, showing the same "bangs" and rear camera design as the iPhone 13. The i...[Details]
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The implementation of the strategy has achieved remarkable results, and profitability has continued to improve steadily. Financial highlights for the first quarter of 2021: • In the first quarter, ...[Details]
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1. Cache classification and application scenarios Cache is a high-speed buffer memory between the memory and the CPU, which is divided into icache (instruction cache) and dcache (data cache). If the ...[Details]
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ST will participate in MWC Shanghai 2021. ST uses physical and virtual booths to better showcase new products. ST's business will revolve around smart mobility, power and energy management, and the I...[Details]
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1. Introduction: The I2C bus is a two-wire serial bus used to connect microcontrollers and peripheral devices. The bus has a data line SDA and a clock line SCL, which can be used to send and rece...[Details]
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TSMC, the world's largest chip foundry, "responded to the U.S. Department of Commerce's request to provide supply chain information" before the November 8 deadline. Samsung had already lost the battl...[Details]
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Measuring power supply ripple itself is a skill. Figure 1 shows an example of improper use of an oscilloscope to measure power supply ripple. Several mistakes were made in this example. The first w...[Details]
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The MSP430 series of microcontrollers are a type of 16-bit ultra-low power mixed signal processor (Mixed Signal Processor) that Texas Instruments (TI) began to market in 1996. It is called a mixed ...[Details]
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In mechanical engineering, due to production needs, motors are frequently in the process of starting, braking, and reversing, so the starting and braking time of the motors largel...[Details]
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In new system-on-chip (SoC) designs, especially for portable devices, optimizing total system power is becoming as important as optimizing for performance and area. Some EDA tools have features such a...[Details]
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Timer query mode timer initialization: 1. Set the timer frequency division number to (x+1) frequency division 2. Match channel X interrupt and reset TxTC 3. Comparison value (1S timing value) 4. Star...[Details]
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1. No-load power-on test of the inverter 1 Connect the ground terminal of the inverter to ground. 2 Connect the power input terminal of the inverter to the power supply through the leakage protecti...[Details]
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1. Schematic diagram 2. Source Program /** Main control MCU: STC15F104W Switch: INT0 (P3.2) falling edge trigger Brightness increase: INT2 (P3.4) falling edge trigger Brightness reduction...[Details]
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The MAX4400 and MAX4403 are low-cost, general-purpose operational amplifiers that provide rail-to-rail outputs, draw only 320μA of quiescent current, and operate from a single +2.5 V to +5.5 V supply...[Details]