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First, let's look at a program: Title 'Input.asm'; Title ; This is a simple input experiment include COUNT EQU 20H; Define the 20H register as COUNT ORG 0; the program area will ...[Details]
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The principle in the figure below is to control the current in the LED by changing the IB current of the transistor , which also has the disadvantage of high loss. Main advantages and disadvantag...[Details]
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According to the Wall Street Journal on October 29, the global chip shortage has lasted for nearly a year, and many customers are currently facing further extensions in delivery time and lost sales. ...[Details]
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China Energy Storage Network News:
At 13:00 on April 13, 2020, Shandong's real-time settlement electricity price was -20 yuan/MW. Negative electricity prices appeared again on the first day o...[Details]
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On April 24, the first charging station jointly funded by NIO Energy and China National Offshore Oil Corporation (CNOOC Petrochemicals) - Kaikang Offshore Oil Building Charging Station - was offici...[Details]
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In previous articles, we have introduced the basic principles of temperature sensors. In order to preserve nutrients and ensure quality and product safety, manufacturers specify the transportation an...[Details]
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Abstract: The basic principle of power supply noise filter is analyzed, and an example of power supply noise filter is optimized and designed.
Tests
show that the filter can achieve 27dB ...[Details]
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Tianyancha shows that on May 19, Qingdao Goertek Vision Technology Co., Ltd. was established with a registered capital of 100 million yuan. The company is 100% owned by Goertek. It is reported that...[Details]
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Why I wrote this blog? Because when I was adjusting the dual servo camera of my 51 single-chip wifi car, it took me a whole day to fully understand PWM adjustment and adjust the two servos. I also re...[Details]
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An engineer's life is filled with boxes, bags, and drawers filled with old power adapters and battery chargers. These adapters or chargers still work, but the devices they once powered are long gone....[Details]
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ST-ONE power controller combines ST’s MasterGaN technology to create record-breaking laptop/smartphone charger design with energy recovery
July 7, 2022, China - STMicroelectronics (S...[Details]
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Single-chip navigation and 8-megapixel front-view ADAS to run Transformer efficiently April 17, 2023, Shanghai, China— Ambarella (hereinafter referred to as "Ambarella", a semiconductor company foc...[Details]
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#include reg52.h #define uint unsigned int #define uchar unsigned char sbit EN=P0^4; sbit EOC=P0^6; sbit STA=P0^7; sbit ADA=P0^0; sbit ADB=P0^1; sbit ADC=P0^2; sbit ALE=P0^5; uchar code tab ={0xC0,0x...[Details]
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89C52 single chip microcomputer controls ISD4004 voice chip, multi-segment recording and playback The microcontroller source program is as follows: //AT89c52, ISD4004 //To record, press the K1 key tw...[Details]
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Currently, battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs) operate at 800V battery voltage, exceeding the conventional 400V range. The adoption of 800V batteries is in...[Details]