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On December 20, 2019, the expansion project of the fourth main transformer of the 500 kV Huipu Substation of State Grid Zhejiang Electric Power Co., Ltd. was successfully put into operation, and th...[Details]
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Overview
The development of LED technology has brought about a revolution in the lighting industry. In particular, with the maturity of 1W and 3W high-power LED technology and the reduction of...[Details]
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1. In regular mode, the data width of the user memory buffer needs to be consistent with the data width set by DMA, as follows: typedef struct rt_device_hwadc { struct rt_device parent; const st...[Details]
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mount -t tmpfs tmpfs /work/mount/ struct mount structure $1 = (struct mount *) 0x816f5780 // struct mount structure address $2 = { // struct mount structure content mnt_hash = { next ...[Details]
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Ethernet physical layer enters process plant field
Pepperl+Fuchs Demonstrates First Switch with Advanced Ethernet Physical Layer
Ethernet Enters Process Plant Field
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过去LED 业者为了获得充分的白光LED 光束,曾经开发大尺寸LED芯片 试图藉此方式达到预期目标。不过,实际上白光LED的施加电力持续超过1W以上时光束反而会下降,发光效率相对降低20~30%。换句话说,白光LED的亮度如果要比传统LED大数倍,消耗电力特性超越荧光灯的话,就必需克服下列四大课题:抑制温升、确保使用寿命、改善发光效率,以及发光特性均等化。
The solu...[Details]
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Start developing a shared platform that will control the future development of electric vehicles.
Today, the global automotive industry is experiencing a once-in-a-century technological innova...[Details]
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On December 9, AMEC announced on its official Weibo account that its Prismo UniMax MOCVD equipment received orders for more than 100 cavities, reaching a new milestone. MOCVD refers to a new vapor ph...[Details]
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Selection of Oscilloscope Choose a single-trace, dual-trace, or multi-trace oscilloscope, depending on the number of signals to be displayed; Select slow scan, general purpose, high speed or sampling...[Details]
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Beijing time, September 17th morning news, IHS Markit pointed out in a report that due to semiconductor shortages and delays in chip packaging and testing, global light vehicle production may be redu...[Details]
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The frequency modulated current source is a current source with variable frequency. ARM controls DDS to output a sinusoidal voltage signal with adjustable frequency and amplitude. The DDS output si...[Details]
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1 Overview
Since the 1980s, with the rapid development and popularization of computer technology, fire alarm technology has become an interdisciplinary comprehensive information processing...[Details]
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The TPP0101 probe is a 100MHz, 10X passive voltage probe with an input resistance of 10MΩ. For BNC oscilloscopes with 1MΩ/20pF (TPP0101) input. It is the highest bandwidth, lowest probe loading passi...[Details]
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CMOS Camera, What is a CMOS Camera
The sensitivity of CMOS sensors is generally in the range of 6 to 15 Lux. CMOS sensors have a fixed noise that is 10 times higher than that of CCD s...[Details]
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The actual circuit using MIC4827 to drive a 3-inch square EL lamp is shown in the figure. The input current Iin=28mA of this circuit at Vin=3.3V, the output voltage is still 180Vp-p, and the operatin...[Details]