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In the early morning of June 16th, Beijing time, according to Reuters, the US government confirmed on Monday that it would amend the ban on US companies doing business with Huawei to allow them to co...[Details]
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Electromagnetic interference is generally radiated through space and conducted through wires. It has always been a difficult problem and research hotspot in the engineering field. As a high-power mod...[Details]
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In order to further enhance brand influence and build an authoritative industry service platform in the ICT field, the new version of Aijiwei (www.ijiwei.com) is officially launched! Aijiwei was foun...[Details]
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Spectrum analyzers are a common tool on electronic engineers' workbenches or in university laboratories. In this article, we have compiled 6 common questions about spectrum analyzer usage, hoping t...[Details]
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According to statistics from the China Semiconductor Industry Association, from 2013 to 2017, driven by policies, my country's chip sales increased from 250.9 billion yuan to 541.1 billion yuan in fi...[Details]
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Power Subsystem for Photoplethysmography (PPG) Remote Patient Vital Signs Monitor - Part 2 Summary This two-part article describes a proven switch-mode power supply circuit design for remote pa...[Details]
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Add the following code in arch/arm/mach-s3c64XX/mach-smdk6410.c:
static void cs_set_level(unsigned line_id, int lvl) {
gpio_direction_output(line_id, lvl);
};
static struct s3c64xx...[Details]
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Q: What are the number of steps per revolution and step angle of a stepper motor?
Stepper motors are ideal for low-torque applications that require precise position control. That being said, w...[Details]
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Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
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Single-phase multi-rate electricity meter solution
based on NEC single-chip microcomputer UPD78F0485 UPD78F0485 single-phase multi-rate meter functions:
1. Positive and negative active energy measu...[Details]
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If you ask why LED chip manufacturers' profits fell in 2012, the answer you will get is mostly "chip prices fell too fast." The reason for this is that in recent years, Chinese mainland chip manufact...[Details]
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On January 13, according to South Korea's ETNEWS, Samsung had a secret booth at CES in Las Vegas, USA, where it secretly showed prototypes using flexible OLED displays to some customers. The ...[Details]
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What is SPC
SPC stands for Statistical Process Control. SPC mainly refers to the application of statistical analysis technology to monitor the production process in real time, scientifical...[Details]
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0 Introduction
Pressure sensors are the most widely used sensors. Traditional pressure sensors are mainly mechanical structure devices, which indicate force by the deformation of elastic eleme...[Details]
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Overview
The relocation code copies the BootLoader itself from Flash to SDRAM so that it can jump to SDRAM for execution. Relocation is required because the execution speed in Flash is relativ...[Details]