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The memory of a PLC programmable controller can be divided into three types: system program memory, user program memory and working data memory.
1. System program memory
The system ...[Details]
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Dimmable light-emitting diode (
LED
)
drivers
that do not require electrolytics or capacitors
are beginning to emerge in the market. With major technological breakthroughs, dimm...[Details]
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0 Introduction When developing the analytical thermometer, despite the adoption of an active filter circuit, the displayed temperature value is still unstable. According to the analysis of the A/D ...[Details]
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The latest macOS Monterey 12.3 update released this week can brick Macs that have had their logic boards replaced, according to a series of user reports posted on social media and Apple's support for...[Details]
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According to Interactive News, an investor asked Goertek whether the company already has mature self-developed chips. Image source: Interactive screenshot In this regard, Goertek stated: The compan...[Details]
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Principle description: Universal Asynchronous Receiver/Transmitter is abbreviated as UART, which is "Universal Asynchronous Receiver/Transmitter". It is used to transmit serial data. When sending d...[Details]
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On November 18, a project with an annual output of 50,000 tons of high-performance ultra-thin copper foil was officially signed and settled in the Sino-Singapore Suzhou-Changzhou High-tech Zone. Acc...[Details]
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Preface: Recently, I am debugging the STM32F205 chip ADC multi-channel DMA method to collect data. Here I summarize the usage of the STM32 multi-channel ADC DMA method for data collection. Hardware...[Details]
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Be careful with your processor selection
When you're ready to buy a new high-end camcorder or a new car, you probably spend a lot of time researching the product or reading independent rev...[Details]
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On March 25, Microsoft proposed a new method in a recently approved patent to reduce video memory usage through SSD solid-state drives, thereby providing ray tracing performance for games in future...[Details]
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Overview: In C language, it is very convenient to use printf() for formatted output. For example, printf("%dn",a) can output the value of a in decimal format and then wrap. The prototype of the print...[Details]
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;===============================================
; filename: External Interrupt.asm
; chip : csu1181b
; author :
; date : 2012-08-14
;This example code can be downloaded from herehttp ://www.51he...[Details]
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The role of lr (r14). Generally speaking, lr has two roles:
1. When using bl or blx to jump to a subroutine, r14 saves the return address and can be restored at the end of the calling procedure.
...[Details]
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Automotive dead reckoning (DR) navigation systems use gyroscopes (gyros) to estimate the vehicle’s instantaneous heading. This information, combined with the distance traveled, enables the navigati...[Details]
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Watchdog timer, in the embedded field, some devices need to work in some extreme environments, that is, places where people rarely go or are difficult to go. In the long-term operation, it is inevi...[Details]
DSP and ARM Processors
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