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Preface Back on January 27, 2010, a very great thinker declared the death of the PC (personal computer). Ten years later, the PC is still alive and well, although a time traveler from 2010 would not...[Details]
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Before we analyze, let's first understand quartz crystal. Quartz crystal is a natural crystal product. It is widely used in telephone terminals, program-controlled switches, mobile phones, wireless ph...[Details]
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Mouser Electronics now stocks wireless audio applications
Infineon MA2304xN MERUS Multi-Level Switching Amplifier
April 4, 2023 – Mouser Electronics, a leading...[Details]
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Everyone knows that if a Linux application wants to access the kernel, it must use a system call to switch from usr mode to svc mode. Let's take a look at its implementation process. System call is...[Details]
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It took only 7 months to launch the first commercial digital simulator in China, and Shanghai Hejian Industrial Software Group Co., Ltd. (hereinafter referred to as Hejian Industrial Software) s...[Details]
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1. Transplant environment
u-boot version: u-boot-2011.06-rc2
Linux version: Ubuntu 11.04
Cross-compilation tool: arm-linux-gcc-4.3.2 (friendly arm)
Development board: Friendly Ar...[Details]
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The IM3590 chemical impedance analyzer has a wide measurement frequency of 1mHz ~ 200kHz, high-speed measurement at the fastest 2ms, basic accuracy ±0.05%, Cole-Cole analysis, and can be used for equ...[Details]
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In Beijing, hundreds of self-driving vehicles shuttle between hundreds of stations every day, and nearly a thousand people participate in manned trial operation tests every day. In November 2021, Bei...[Details]
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1.
Characteristics of
LED light source
(1) Voltage:
LEDs
use a low voltage
power supply
, the supply voltage is between 6-24V, which varies according to the product, so it is a...[Details]
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introduce When the battery meets the minimum power supply state of the MCU, the RTC is always in working state regardless of whether the MCU is in running, low power or restart state. The main fea...[Details]
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Designers must consider these factors when selecting bypass capacitors, as well as when using capacitors for filters, integrators, timing circuits, and other applications where the actual ca...[Details]
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Recently, NVIDIA officially launched the 7nm Ampere GPU, with the first one being the NVIDIA A100 accelerator card for the data center. It is worth noting that this time NVIDIA has abandoned the Te...[Details]
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High-precision positioning chips are necessary for smart terminals to perceive absolute positions. They have the characteristics of high entry barriers and wide applications.
High-...[Details]
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On October 20, Banma Smart Driving released the AliOS intelligent driving system kernel at the Yunqi Conference. It is expected to be released in 2022 and will be the industry's first kernel open to ...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]