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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

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  • How to operate an A7672S 4G modem with a computer

    Resource 'How to operate an A7672S 4G modem with a computer'

    by Nikhil Angnihotri, EngineersGarage.com As 5G is in full swing in the telecom segment, 4G modems are fast occupying the embedded space. The 4G GSM modems are useful in embedded systems for several reasons. 1. They provide a high-speed wireless connection to the internet. This allows embedded systems to access and process data in real time, which is essential for telematics, industrial automation, and remote monitoring applications. 2. The 4G GSM modems are relatively compact and...
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How to Design the Component Libraries in Altium Designer
How to Design the Component Libraries in Altium Designer
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Thermal Budget: Transistors & Heatsinks 2016-12-25
How to select power devices and specify heatsinking
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Practical Elecromagnet Design 2016-12-18
Design and build practical electromagnets using simplified theory and formulae
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Two Simple Formulae: capacitance and inductance 2016-11-04
Two relationships can simplify capacitor and inductor voltage and current calculations
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Data and Books- some old friends 2016-03-29
data books, application reports, eletronic theory books, electronic magazines from yesterday
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Books, Articles, Data 2015-11-22
books & other info covering electronic design that I have found useful
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BASICS OF ELECTRONICS DEMYSTIFIED 2014-06-25
Having a hard time understanding basic Electronics Components. Here's a perfect guide
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Art of Arduino: Lesson 1-5 2013-10-13
A series of videos showing you how to create basic circuits using an Arduino.
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Determine Voltage Drop Across Resistors 2013-03-02
How to calculate voltage drop across series resistors.
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555 Timer as a Hysteretic Controller 2013-01-17
The 555 timer IC is often used to provide flexible astable oscillators and monostable timers. The I
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A Novel Harmonic Oscillator: The GIC Resonator 2013-01-17
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Diode Log and AntiLog Circuit Derivations 2012-10-15
Here is some basic theory on diode log and antilog circuits and their derivations. Lots of people s
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Indirect Measurement of the Current Draw of a Device 2012-10-15
Sometimes we want to know the current draw of a device for various reasons. One reason would be to
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The 555 Timer 2012-04-07
The 555 timer is capable of producing accurate timing ranges from micro
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The Basics of Bypass Capacitors 2012-02-01
This article will explain the function of a bypass capacitor, when its appropriate to use them, and
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Introduction to Pulse Width Modulation 2012-01-26
A look at a powerful technique for controlling analog circuits with a microprocessor's digital outp
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The 4017 Decade Counter 2011-08-01
[ATTACH=RIGHT]54828[/ATTACH]This handy Decade Counter (or sometimes called a Johnson Counter) can b
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How To: Test A Uni Junction Transistor 2011-07-03
You can easily test the health of a UJT (Uni junction transistor) by using a digital multimeter. Do
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DIY printed circuit boards My experiments and mistakes. 2011-06-15
New ArticleDIY Printed Circuit Boards for the home hobbyist methods and mistakes By Doug Bezaire
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