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On the evening of March 20, Chuanyi Technology released its annual performance report, stating that its operating income in 2021 was approximately 1.92 billion yuan, a year-on-year increase of 8.51%;...[Details]
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0 Introduction
The gearbox loading test is a necessary process to ensure the product quality before the gearbox leaves the factory, that is, to keep the gearbox oil temperature at a high tempe...[Details]
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This article describes the use of differential scanning calorimetry (DSC) to test the cure and glass transition temperatures of powder coatings. Powder coatings refer to dry powder coatings that flow...[Details]
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1. Principles for defining variables:
First, always use the smallest possible data type;
for 8-bit machines, it is obviously much more convenient to operate on objects of type "char" than on objects...[Details]
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For example, when i=0, the value of tab is 0x3f, so the function of bit_dat((bit)(tab &0x80)); is: Step 1: bitwise AND tab with 0x80, that is, bitwise AND 0x3f with 0x80 (and 0x40 with the 6th bit). ...[Details]
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1. Project Overview
1.1 Introduction
The oscilloscope has a history of more than 70 years since its birth in 1933. It is the main tool used by electronic circuit designers to observe waveforms,...[Details]
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Using waste PC power transformer to make scaleless fish machine rear-stage and front-stage high frequency
Use the transformer of the old PC power supply to make a scaleless fish machine. Of cour...[Details]
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When I first came into contact with microcontrollers, I used the P89LPC series Philips (now NXP) C51 series microcontrollers. I made several control boards and used them in low-voltage 380V distributi...[Details]
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In December 2015, the Xinjiang Nileke 100MWP photovoltaic power station demonstration project, a joint venture between Wanyin Technology and Zhongli Tenghui, was successfully connected to the State...[Details]
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1. Equipment Overview
The ball mill is composed of a horizontal cylinder, a hollow shaft for feeding and discharging materials, and a grinding head. The cylinder is a long cylinder with grin...[Details]
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From the manufacturing process to all application areas, extremely low power technology has gradually become an indispensable requirement in all designs. Energy-sensitive applications, especially prod...[Details]
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The microcontroller must start with GPIO. The three LED lights on the development board are PD0, PD2 and PD3, and the KEY is PD7, so the GPIO initialization only needs to initialize the PD port. Writ...[Details]
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The new iPod touch has no changes in appearance, still using a 4-inch display and retaining the Home button. The color options are still space gray, gold, silver, pink, blue, and red. The new iPod to...[Details]
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1.1 Error model of the traditional (known) through calibration method The traditional coaxial system calibration method is usually called TOSM----Through Open Short Match (also known as SOLT----Short...[Details]
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