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Summary This note mainly records the development and interface design of the SAE J1939 protocol stack based on NXP MPC5744P, based on the CAN driver design summarized previously. Preparation Prepar...[Details]
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Although STM8 has complete functions, insufficient space is often a problem. Either .text overflow or .bss overflow, which is a headache. Here are some optimization solutions to make full use of spac...[Details]
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In WinCC V7.4SP1, for S7-1200 or S7-1500 communication, you can create status variables and control variables to display and control the communication of S7-1200 or S7-1500 PLC.
First, W...[Details]
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Let's look at the role of MMU from the perspective of historical development.
This part can be combined with Cai Yuqing's explanation . Most of the following content is reproduced here, and som...[Details]
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Using precision current sources to provide constant current has been applied in many fields, including industrial process control, instrumentation, medical equipment and consumer electronics. For ...[Details]
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The polling method is used. The interrupt method will be implemented later. Without further ado, let's get to the point. The program is modified from the previous experiment Tiny4412 C language to im...[Details]
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Note: DC motors are widely used in household appliances, electronic instruments and equipment, electronic toys, video recorders and various automatic controls. However, many readers are not familiar w...[Details]
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O Introduction
In some industrial production processes, such as constant temperature furnaces, warehouse storage, flower planting, small greenhouses, etc., there are strict requirements on temp...[Details]
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Mobile power supplies have become one of the commonly used electronic devices in our lives. When using mobile power supplies, we may encounter various problems and the mobile power supplies may have...[Details]
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On October 14, OnePlus was featured in CCTV news. Witnessed by CCTV reporters, OnePlus completed a high-speed 5G millimeter wave technology performance test in Shenzhen. OnePlus founder an...[Details]
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In recent years, mobile phone manufacturers have been working hard to improve the "screen-to-body ratio" of full-screen smartphones, and have come up with camera module designs including notch...[Details]
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In the field of personal computer applications, MOSFET losses increase further as the switching frequency of synchronous boost converters developed for core DC-DC converters moves towards the 1MHz-2MH...[Details]
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Abstract: Based on the one-cycle control theory, the working principles of the basic topology DC/DC converters - Buck, Boost, and Buck-Boost under one-cycle control are introduced; a unified contro...[Details]
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Sony (China) Co., Ltd. released a new Dolby Atmos soundbar - HT-X8500. Following the HT-ST5000, HT-Z9F and HT-X9000F, which have achieved great success in both market and reputation, the company is l...[Details]
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According to foreign media reports, Google recently submitted a patent application through its subsidiary Waymo, which aims to detect improper driver operation and allow the car's autonomous drivin...[Details]
MicroPython Open Source section
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