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How to use Operation steps Step 1: Connect the test wires according to the instructions, turn on the main power switch of the dielectric loss tester, and the parameter selection and setting will appe...[Details]
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Before 1990,
LED display screens
were in their growth and formation period. On the one hand, due to
the limitation of
LED
materials and devices, the application field of LED display...[Details]
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The selection of amplifier is explained by the simple design of ECG preamplifier circuit
ECG signals are very weak. Common ECG frequencies are generally between 0 and 100 Hz. The energy is...[Details]
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Under the heavy reports of major news, the ignorant masses said that the first graphene battery has been born. Come, let's take a look at what this magical "graphene battery" is all about. Graphene...[Details]
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Contents The present invention relates to a thermal air flow meter including a sensor component composed of a sensor chip including a flow rate detection unit and an LSI for processing a signal detec...[Details]
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IAR for STM8 is an embedded work platform, mainly used in the development of STM8 series chips. Now (version 3.10 in 2018) it can support all STM8 chips on the market. Different IAR platforms requi...[Details]
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This device can program 12 seconds of music (and can be extended to a longer duration). If the touch switch is installed on the door, it can also be used as a music doorbell. The circuit is shown in ...[Details]
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/*---------------------------------------------------------*/ Hi-Tech PICC 8bit MCU Study Notes ---------- Environment /*---------------------------------------------------------*/ Sectio...[Details]
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Abstract: Aiming at the demand of processing high-speed multi-channel video data at the same time, this paper takes NiosIl soft-core CPU as the core, builds a system on programmable chip (SOPC) on ...[Details]
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Announcement from the Ministry of Industry and Information Technology of the People's Republic of China
Announcement No. 6
In order to implement the "Notice of the State Council on Issui...[Details]
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This waveguide laser on a photonic chip offers the performance of a fiber laser, but with previously unattainable frequency tunability. Image credit: EPFL
Researchers at the Swiss Fe...[Details]
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1 Introduction
With the development of science and technology, single-chip microcomputers have been more and more widely used in various household appliances, and their stable operation is an ...[Details]
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According to the US Business Insider website, Apple has obtained a patent for a system for processing audio signals, which can be used in virtual reality devices. The report said that an application ...[Details]
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program
stepper.c
stepper.hex
/*
* STEPPER.C
* sweeping stepper''s rotor cw and cww 400 steps
* Copyright (c) 1999 by W.Sirichote
*/
#include c:\mc51\8051io.h /* include i/o header ...[Details]
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Linear regulator integrated circuits (ICs) step down voltage from a higher voltage to a lower voltage without the need for an inductor. A low dropout (LDO) linear regulator is a special type of l...[Details]