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High voltage power supply circuit for tube audio amplifier
This power supply provides a stable, hum-free operating voltage for tube preamplifiers. It also provides a negative bias voltage. All t...[Details]
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#include "typedef.h" #include msp430g2553.h #include "TemDHT11.h" #ifndef _DHT11_TYPE #define _DHT11_TYPE //Connection port #define DHT11_Dir P2DIR #define DHT11_In P2IN #define DHT11_Out P2OUT #defi...[Details]
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Scientists in South Korea have made a breakthrough in battery research that could help overcome a key bottleneck in energy storage. The latest research overcomes an important technical challenge in t...[Details]
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From October 31 to November 1, the Global New Energy Vehicle Cooperation and Development (Shanghai) Forum (GNEV2024•Shanghai) hosted by the China Electric Vehicle 100 was officially held.
Wit...[Details]
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1 Introduction
Transformer power direction protection (including phase-to-phase power direction protection and zero-sequence power direction protection) is one of the important backup protecti...[Details]
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//mega16 7.3728MHz quartz crystal iccavr6.31a
//Related definitions:
#define uint unsigned int
#define uchar unsigned char
#define DS1302_RST 0 //pc0
#define DS1302_SDA 1 //pc1
#define DS13...[Details]
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After reading the examples in the CD that comes with the mini2440, the C language program to light up the LED is a bit complicated. When I opened the project and saw so many files, I was stunned. For...[Details]
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“Third-rate companies make products, second-rate companies make brands, and first-rate companies make standards.” This sentence has become a consensus among industries around the world. Li Shijiang,...[Details]
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Since pulse width modulation technology achieves the effect of voltage and frequency conversion of output voltage by adjusting the frequency and duty cycle of output pulses, it has been increasingl...[Details]
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International New Energy Network News: Photovoltaic manufacturer Diehl Controls plans to lay off 50 employees at its manufacturing plant in Wangen, Germany. The works council and the union have rea...[Details]
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Apple recently released a new firmware update 1.0.301 for the AirTag item tracker, but did not specify what upgrades were included at the time. Today, Apple officially announced the update cont...[Details]
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Chaodian Think Tank has learned that Sony Semiconductor Solutions has launched a new CMOS image sensor for vehicle cameras : IMX735, which has achieved a breakthrough in pixel level, with up to 17.42...[Details]
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Samsung Electronics pledged to build a green and sustainable future in its pre-CES 2022 keynote speech. Last year, the Carbon Trust certified memory chips produced by Samsung reduced carbon dioxide e...[Details]
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Energy conservation and sustainable development are no longer a selective issue, but an inevitable path for the future development of today's world. New light sources represented by LED are repla...[Details]
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On the evening of August 13, Shengyi Technology disclosed its semi-annual report. The company achieved operating income of 9.832 billion yuan in the first half of 2021, a year-on-year increase of 42....[Details]
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