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Among the u-boot code selections, only 201009 is the latest u-boot version that can be compiled directly without memset.s. After blocking the call of lowlevel_init, I moved all the hardware initial...[Details]
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introduction The emergence of excavators has freed humans from heavy physical labor. However, traditional excavators are complex to operate and require high skills from the operator. People have been...[Details]
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1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
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At present, there are two ISO standards in the field of 13.56 MHz wireless radio frequency identification technology in my country, one is ISO14443 and the other is ISO15693. ISO14443 defines two type...[Details]
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Preface
When a car is driving at high speed, tire failure is the most worrying and difficult to prevent for drivers, and is also an important cause of sudden traffic accidents. Accordi...[Details]
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On March 18, Shandong Electric Power Dispatching and Control Center worked closely with Shandong Electric Power Research Institute and Huadian International Laicheng Power Plant to complete the fre...[Details]
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1. Instrument model: Keithley 2400 source meter 2. Fault phenomenon: After the instrument is powered on, the voltage source 20V and 200V outputs are abnormal. 3. Analysis, testing and judgment: ...[Details]
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A 12-can pack of Red Bull, a 5L barrel of blended oil, two bottles of red wine and four cans of canned fish... These were not things that Pikapi bought in the supermarket, but the loot that an old ...[Details]
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Class D audio amplifiers use pulse width modulation (PWM) signals instead of the linear signals usually used by Class AB amplifiers. The PWM signal here covers the audio signal as well as the PWM s...[Details]
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On April 1, 2022, Suzhou Everbright Huaxin Optoelectronics Technology Co., Ltd. (hereinafter referred to as "Everbright Huaxin") was officially listed on the Shanghai Stock Exchange Science and Techn...[Details]
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1. The board is powered by an external power supply. 2.ST-LINK only needs to connect TCK, TMS, and GND wires. 3. J-LINK needs to connect the chip working power line on the board to VT to work pro...[Details]
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According to the latest report from Counterpoint, thanks to the development of smartphones and enterprise IoT devices, eSIM-based device shipments will increase from 364 million units in 2018 to near...[Details]
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;***************************************** ; 78p153 register definition ;***************************************** R0 == 0X0 ;Indirect addressing IAR ;****CONT REGISTE************* CONTW/R ; 7 6 5 4 ...[Details]
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As an engineer who worked at General Motors for almost seven years, I divide GM's past electrification strategy into several stages. Ancient stage: Start of EV1 development The engineer who work...[Details]
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New ST85MM programmable power line communication (PLC) modem natively supports the latest field-proven Meters and More and PRIME1.4 standards, increasing flexibility in smart meter deployments
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Analog electronics
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