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The microcontroller used is the Puzhong development board, the 8x8 dot matrix uses 74hc595 for segment selection, and the P0 port is selected 74hc595 The 8x8 dot matrix uses a common cathode (lef...[Details]
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The main problems in the current wired fire alarm system are that there are many connections and the installation and wiring are complicated;
Signal "collision" occurs, resulting in the ...[Details]
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A leading semiconductor component distributor dedicated to the Asia Pacific market--- WPG Holdings announced that its subsidiary Quan Ding launched a Qualcomm-based ( Qualcomm) QCA4024 dual-mode ful...[Details]
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According to Gartner, global PC shipments totaled 72 million units in the second quarter of 2022, down 12.6% from the second quarter of 2021. At the same time, Apple's global Mac shipments in the sec...[Details]
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codeblocks
Download address:
https://sourceforge.net/projects/codeblocks/
SDCC：Small Device C Compiler
Download address:
https://sourceforge.net/projects/sdcc/
O...[Details]
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In recent years, with the full coverage of mobile Internet, China's smartphone market has ushered in rapid development. Application areas such as mobile payment, digital office, and smart life have...[Details]
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Stator assembly
Most of the motor factories in my country use external pressing technology to produce small motors. After the stator core is embedded and dipped, it must be ensured that the ax...[Details]
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Hardware platform: tiny4412 System: linux-4.4 File system: busybox-1.25 Compiler: arm-none-linux-gnueabi-gcc (gcc version 4.8.3 20140320) uboot: Friendly, built-in uboot. 1. Introduction of D...[Details]
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introduction
With the improvement of computer performance and the increase of communication volume, traditional LAN has been increasingly beyond its own load. Switched Ethernet technology has ...[Details]
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Recently, the General Administration of Customs released the import and export data of inverters in June 2023. According to the customs data:
In June 2023, the export volume of inverters was 4...[Details]
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1.
Structural principle of
B-ultrasound
diagnostic system
Type B ultrasonic diagnostic system is divided into several parts according to its structure: it is ma...[Details]
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Four years after the launch of the Raspberry Pi 4 single-board computer, the Raspberry Pi 5 has finally arrived. The latest version mainly improves performance and adds support for PCIe 2.0. 4GB is p...[Details]
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There are currently many rumors about Apple cars, but now a more detailed document has been leaked, so you may want to pay attention to it. According to well-known analyst Mig Chi Kuo, Apple will w...[Details]
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Overview
The S3C2440A contains 130 multi-function I/O pins and they are eight ports as shown below:
– Port A (GPA): 25-bit output port
– Port B (GPB): 11-bit input/output port
– Port C (GPC)...[Details]
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Electronic keyboards are very common in many electronic production books and online forums. Why do I want to introduce the production of an electronic keyboard? Is it different from ...[Details]
RF/Wirelessly
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