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introduction
If you take a look at the current market, you will find that most of the small and medium-sized
led
LED (Light Emitting Diode) is a solid-state semiconductor device that c...[Details]
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NEC infrared remote control protocol The NEC protocol uses pulse distance encoding of thebits. Each pulse is a 560µs long 38kHz carrier burst (about 21 cycles). Alogical "1" takes 2.25ms to transmi...[Details]
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Before Edison invented the electric light in the 19th century, the way humans achieved lighting was very simple, that is, directly using direct light from various fire sources, such as candles, o...[Details]
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Compared with other film/foil capacitor structures, metallized film capacitors have the characteristic of "self-healing". When a sufficiently high voltage is applied, under the action of high arc t...[Details]
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1. S3C2440 clock
1. Clock Tree
From the clock tree in the technical manual of s3c2440, we can know that its clock is divided into four blocks: FCLK, HCLK, PCLK, and UCLK. FCLK is m...[Details]
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The long-term average bit error rate, referred to as the bit error rate (BER), is one of the important indicators of optical communication networks and equipment. At present, optical communicat...[Details]
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In the vibrant heart of Brussels, Belgium, a Lexus LS will repeatedly complete a fixed test cycle over the next 13 months. Toyota Motor Europe (TME) has announced that it will test automated drivin...[Details]
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When using the serial port of the PIC16F1825/9 chip to receive data, a problem is encountered. When the serial port receives data quickly, the serial port may freeze. That is, the program runs normal...[Details]
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On May 9, Wang Bin, Deputy Secretary of the Party Committee and General Manager of PowerChina, held talks with visiting ACWA Power Vice Chairman and Managing Director Sander at the headquarters...[Details]
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1. Hardware connection: M128 PD3 INT3/TXD1 --- PC 232COM Pin 2 PD2 INT2/RXD1 --- PC 232COM Pin 3 GND --- PC 232COM Pin 5 2. Modbus Poll software configuration: Software download address: ht...[Details]
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It was learned yesterday that the Municipal Development and Reform Commission recently issued a notice to clarify issues related to the charging of electric vehicle charging services in our city, a...[Details]
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Brushless DC motor with AC power
Brushless DC Motor is a DC motor without brushes and commutator. It is a permanent magnet AC synchronous motor in structure, and uses power electronics technol...[Details]
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NI announced a free online course program, making all NI online training courses free through April 30 to support the global engineering community disrupted by COVID-19. Other virtual instructor-led ...[Details]
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On March 24, Google's Android 13 developer preview version was launched. The system will officially announce details at the Google I/O Developer Conference, and a stable version update will be p...[Details]
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China’s COVID-19 policy changes will drive digitalization and AI adoption
February 24, 2023 - The 2023 Gartner CIO and Technology Executive Survey shows that Chinese companies surv...[Details]