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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.

Electronic Projects

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  1. Electronic Projects 104
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Categories
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Electronic Projects
370
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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...
Resource icon L
Introduction to Electron Tubes 2013-01-15
Vacuum tube, electron tube, or thermionic valve is a type of an electronic component mainly used on
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Resource icon ()blivion
Voltage Splitter. 2013-01-14
A lot of times when building circuits, (such as op-amp circuits), you'll find that you need a power
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Resource icon ()blivion
Stupid Simple Temperature Controlled PC box fan driver. 2013-01-13
Hello and welcome. Feel free to skip any sections you don't want to read. To make this circuit work
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Resource icon ()blivion
Extensible dummy load. 50 plus Watts per transistor. 2013-01-12
I TAKE ABSOLUTELY NO RESPONSIBILITY FOR ANY INJURY, DAMAGES OR UNLAWFUL CONDUCT CAUSED BY FOLLOWING
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Resource icon Mosaic
Integer Percentage & ASM, no FP 2013-01-05
This is a further discussion in the vein of 3v0's scaling article posted earlier. Percentage cal
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Resource icon alec_t
Mains-powered LED night-light 2012-11-09
I'm probably re-inventing the wheel, but here are a few variations of a mains-powered night-light f
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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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Resource icon 3v0
COOP BUILD: Breadboard Trainer/Lab/Breadboard Buddies 2012-10-13
This is the master index for all completed modules for this project. Please PM 3v0 if you have upl
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Real-Time 'Stopwatch' 2012-09-10
This is a simple electronic "stopwatch" you can use to time an event. I used it when developing a d
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Resource icon Mikebits
TimerBot Project 2012-09-06
This document presents several 555 timer circuits and there usage for a robotic obstacle avoidance
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DVR IR Motion Trigger 2012-08-29
A client needed a timer to keep his DVR enabled and recording when the IR motion detector output a
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Resource icon QuietMan
555 Bistable Multivibrator 2012-08-29
The most common 555 configurations are that of a Astable and Monostable Multivibrator. This shows h
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Resource icon bananasiong
ADC Using 555 Timer - Delta Modulator 2012-08-29
With the availability of the powerful micro controller in the modern era, people tend to forget the
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Resource icon Wond3rboy
4-bit LCD in C18 Compiler 2012-08-21
Hi, here is a code in C18 for using an LCD in 4-bit mode to display the string "Hello ETO!". It use
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Interface a character LCD display to PIC microcontroller 2012-08-01
[B]Introduction[/B] An HD44780 Character LCD display device is designed for interfacing with embed
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Resource icon rs14smith
Solar Charged Remote Control Electric Lawn Mower 2012-05-25
I, Robert Steve Smith, have put together a series of videos below that will show you how to create
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Resource icon alec_t
Simple, cheap, Square/Triangle/Sine-wave generator 2012-05-25
A test signal generator is invaluable when making or repairing electronic equipment. Although a ful
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Resource icon C
Inductance measuring adapter for multimeter 2012-05-25
For those of us without an actual inductance meter, this project is an easy-to-build way to use an
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Resource icon ElectroMaster
The 555 Timer 2012-04-07
The 555 timer is capable of producing accurate timing ranges from micro
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