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Cortex-M3 supports 256 interrupts, including 16 core interrupts and 240 external interrupts. STM32 has only 84 interrupts, including 16 core interrupts and 68 maskable interrupts. STM32F103 has o...[Details]
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Because the ultrasonic waves emitted by ultrasonic level meters are invisible to the human eye, abnormal working conditions on site may occur in addition to the failure of the level meter itself, as ...[Details]
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The Google Pixel 4a has been widely leaked over the past month or so. The device was supposed to be announced by Google at this year's I/O conference, but with the event canceled, it's unclear...[Details]
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ARM instruction set—SWP instruction SWP and SWPB are atomic operations on storage units in the ARM instruction set, that is, a read and a non-cuttable operation on a storage unit. SWP and SWPB comp...[Details]
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Industrial systems often control processes or machinery in close proximity to workers. This makes industrial system safety critical, and failures in industrial systems can have serious consequences f...[Details]
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1. UART Principle Description Universal Asynchronous Receiver/Transmitter (UART) is used to transmit serial data: when sending data, the CPU writes parallel data into the UART, and the UART sends it ...[Details]
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Many students use laptops as their ARM development and learning platforms. Most laptops do not have parallel ports, which means they cannot use JTag to debug and burn programs into Nand Flash. Fortun...[Details]
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Lighting power consumption accounts for 19% of the world's total electricity consumption, and 83% of lighting power consumption comes from commercial buildings and outdoor lighting. Therefore, man...[Details]
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Basic diode circuit and its analysis method
2.4.1 Diode forward VI model
1. Ideal model
The V–I characteristic of an ideal diode is shown in blue in Figure (a), and the dotted li...[Details]
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Automobile signals including intake and exhaust camshaft position sensors, ignition coils, OCV solenoid valves, throttle actuator motors, injector control circuits, CAN buses, etc. all require wavefo...[Details]
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(Photo source: Molex official website) According to foreign media reports, interconnect product supplier Molex has launched new micropower distribution box (µPDB) sealed modules, including sta...[Details]
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Car manufacturers are struggling to transform. As more sensing, computing and connectivity permeate ADAS vehicles, Tier 1 and OEMs must figure out where to process raw sensory data, and determine whe...[Details]
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Wind is the horizontal movement of air.
The observation of wind in meteorology includes two parts: wind direction observation and wind speed observation. Wind direction refers to the direction of...[Details]
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1. Two-way (two-way) and three-way (three-way) speaker systems
Two-way
Speaker
The system structure is simple and the cost is relatively low. In order to solve the lack of this mid-ran...[Details]
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Controller improves power efficiency and reduces standby power consumption
Nijmegen, October 29, 2024:
Nexperia today launched a new series of AC/DC flyback controllers, further ...[Details]
Toshiba Photorelays TLP3547 Review
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