Relay is one of the most widely used devices in the field of industrial control. I believe that many people are like me when they start working. First, they look at the drawings to find the normally o...
Over the past year, various activities have broadened our horizons and increased our knowledge, allowing those who stay at home to learn about new and hot topics....
1. Brief Introduction of EMIF
The 64x EMIF is a parallel data transmission on-chip peripheral used for off-chip memory expansion and external data interface. The use process requires software to write...
When IAR debugs NUCLEO-474 and downloads the official example, it prompts Fatal error: No debug probe found connected to the USB port Session aborted!The driver of the emulator is installed normally, ...
1. The process of LCD displaying images is as follows: Among them, VSYNC and HSYNC have widths, which are as follows after addition: Parameter explanation: HBP (Horizontal Back Porch) Horizonta...[Details]
Apple today updated the MacBook Air, adding True Tone to the Retina display. At the same time, the price of the MacBook Air dropped to $1,099, with an education discount of $999. In addition, Apple a...[Details]
1 Introduction At present, urban traffic control in China mainly relies on road traffic signal control machines (hereinafter referred to as signal machines). Domestic signal machines are mainly di...[Details]
This paper describes a relatively advanced design of AC voltage-stabilized power supply. This design is realized by pulse width modulator, high-speed electronic switch, high-frequency electronic tr...[Details]
Data from the Jiangsu Statistics Bureau showed that in the first half of the year, the added value of industrial enterprises above designated size in Jiangsu Province continued to maintain a rapid do...[Details]
In general processors, floating-point addition, subtraction, conversion and transmission can all be converted to floating-point adders, so the frequency of use of floating-point adders is as high as 5...[Details]
For Apple, the most important thing this year is to ensure the smooth release of iPhone 12 and sufficient supply. The success or failure of this product directly determines the company's subse...[Details]
1. About DRAM In the previous chapter, we explained how to relocate code, but relocating code to only 256K IRAM is not very useful. The correct approach is to relocate the code to a larger main memor...[Details]
Recently, according to foreign media reports, TSMC stated that negotiations with European governments at all levels have gone smoothly and a decision to build a factory is expected to be made in Augu...[Details]
Mobile consumer devices such as smartphones, tablets and ultrabooks are facing growing demands for providing rich, diverse and instantaneous network multimedia experiences. Almost every part of the s...[Details]
What is the structure of a servo? The simplest servo control unit is a servo motor plus a servo controller. Today we will analyze the servo motor and servo controller.
How the motor work...[Details]
The types of power amplifiers used in cyclotron high frequency (RF) systems are mainly solid-state circuits and vacuum tubes . The former uses bipolar transistors or field effect transistors as amp...[Details]
Abstract: Introducing a simple fully discrete component color TV switching power supply working at 115VAC. This power supply is based on the Sanyo 80P movement circuit commonly used in China in ...[Details]
LEDs have been used in electronic systems for many years, primarily as indicator lights for electronic devices. Recent advances in brightness and color depth mean that LEDs can now be used in a wid...[Details]
Whether in principle or in practice, the advantages of electronic crossover have been widely recognized. But why has it not been widely promoted? I think there are two main reasons: First, the e...[Details]
Toshiba Photorelays TLP3547 Review
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