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FPH is designed with German engineering and ergonomics, providing excellent performance and reasonable price. It features best-in-class RF performance and DANL as low as –163dBm to capture weak signa...[Details]
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The cause of battery sulfation
Lead-acid batteries
With a history of more than 100 years, they are a widely used power sou...[Details]
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On January 28, Shenzhen Technology released its performance forecast, stating that the company expects its net profit attributable to shareholders of listed companies in 2020 to be 820 million yuan t...[Details]
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1 Introduction Inverter power supplies generally use instantaneous feedback control technology to improve the dynamic response speed of inverter power supplies, reduce the harmonic content of o...[Details]
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********************************************************************************************* Program name: Author: Writing time: 20 Year Month Day Hardware support: Interface descript...[Details]
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On May 20, Anker Innovations said on its investor interaction platform that the recent steep decline in freight rates to the United States indicated that, judging from the results of its 2021 operati...[Details]
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Function of the circuit
In the non-modulated state, the linearity and temperature characteristics of the optical coupling isolation amplifier are not very good. Thi...[Details]
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The MAX6126 is an ultra-low-noise, high-precision, low-dropout voltage reference. This family of voltage references features curvature correction circuitry and high-stability, photolithographic thin-f...[Details]
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Big V Andrew Ng once said: Doing research is like building a spaceship. In addition to sufficient fuel, a powerful engine is also essential. If the fuel is insufficient, the spaceship cannot enter ...[Details]
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Port control description (see S3C2440 data sheet for details)
Port Configuration Registers (GPACON to GPJCON)
Port Data Registers (GPADAT to GPJDAT)
Port pull-up registers (GPBUP to GPJUP)
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Three-phase watt-hour meters have three-phase three-wire and three-phase four-wire, and the input voltages are 3×(220~240)V/380~400V, 3×57V/100V, etc. The power supply circuit of the three-phase wa...[Details]
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Recently, the "2-20kw/5--75KWh Distributed Intelligent Wind and Solar Energy Storage Power Station", a key project of the municipal science and technology plan undertaken by Northern Aoti Nanotechn...[Details]
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After a lot of effort, I finally ported UCOSII to M32. I don't seem to be as excited as I thought. I just feel a lot more relaxed, because I originally planned to finish it three weeks ago. I thin...[Details]
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Watchdog application experiment 1. Experimental purpose Understand the role of watchdog Master the use of S3C2410 watchdog timer 2. Experimental content Implementing a watchdog res...[Details]
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Dazhong.com reporter Zhang Fang, Zhou Chen, Lu Xin intern Dong Jiazhuo reported from Heze that on October 29, the on-site promotion meeting for the construction of Shandong Haichen Integrated Zero Car...[Details]