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Last update:
December 2020 (73)

  

Electronics Info Links

Various sites with useful electronics info.
Updated/verified March, 2020

 

100+ Microcontroller Based Mini Projects Ideas
  https://www.electronicshub.org/microcontroller-based-mini-projects-ideas/  

  http://www.redcircuits.com/Page87.htm  
3-channel audio splitter
  http://www.circuitstoday.com/3-channel-audio-splitter 
4QD-TEC circuits Archive

  http://www.4qdtec.com  
555 Timer Tutorial
  https://www.electronics-tutorials.ws/waveforms/555_timer.html    
Aaroncake
  http://www.aaroncake.net/electronics/index.html   
Alternative Energy System Design

  http://www.energyalternatives.ca/SystemDesign/sys1.html 
Al Williams 
  http://www.al-williams.com  

Arduino Projects
  https://circuitdigest.com/arduino-projects  
Audio Distribution Amplifier (Simple Low-Noise)  
  https://www.electronicsforu.com/electronics-projects/hardware-diy/low-noise-audio-distribution-amplifier 
Audio Filters
  http://www2.ece.ohio-state.edu/~anderson/Outreachfiles/AudioEqualizerPresentation.pdf  

Audio Filters (RL and RC)
  https://sciencedemonstrations.fas.harvard.edu/presentations/audio-filters  
Audio Mixer Circuit (Single Transistor)
  https://circuitdigest.com/electronic-circuits/single-transistor-audio-mixer-circuit  
Build an Audio Mixer
  https://www.allaboutcircuits.com/projects/build-an-audio-mixer/  
Build an Audio Mixer (How to)
  https://www.circuitlib.com/index.php/tutorials/product/39-how-to-build-an-audio-mixer  
Audio Spectrum Explained
  https://www.teachmeaudio.com/mixing/techniques/audio-spectrum/   
AWG American Wire Gauge 
  http://www.bnoack.com/data/wire-resistance.html 
Balanced vs Unbalanced in Audio
  http://www.bluejeanscable.com/articles/balanced.htm
BASIC Stamp 1 (BS1) Application Notes
  https://www.parallax.com/sites/default/files/downloads/BS1-IC-BASIC_Stamp_1_AppNotes.pdf  
BeagleBone
  https://beagleboard.org/bone  
"Black box" defined
  https://en.wikipedia.org/wiki/Black_box  
Bowden's Hobby Circuits
  http://www.bowdenshobbycircuits.info/  
Build a Simple Function Generator
  http://www.learningaboutelectronics.com/Articles/Function-generator-circuit.php 
Build Your Own Function Generator  

   https://www.allaboutcircuits.com/projects/how-to-DIY-waveform-generator-analog-devices-ad9833-ATmega328p/  
Build the EM Theremin (Moog)
  https://www.cs.nmsu.edu/~rth/EMTheremin.pdf  
Build a Pocket Theremin
  https://www.popsci.com/diy/article/2008-04/build-pocket-theremin-cheap/  
Cadsoft (freeware Eagle pcb software) 
  http://www.cadsoftusa.com  
Capacitor value conversions
  http://www.justradios.com/uFnFpF.html 
CircuitCellar Magazine
  https://circuitcellar.com/ 
Circuit Digest
  https://circuitdigest.com/  
Circuit Exchange International
  http://www.zen22142.zen.co.uk/  
Circuit for 3-channel Spectrum Analyzer 
  http://www.aaroncake.net/circuits/3chspec.asp  
Circuit Skills: LED Color Organ
  https://makezine.com/2010/10/18/circuit-skills-led-color-organ-spon/   
Crystal Radio
  http://www.techlib.com/electronics/crystal.html  
Dave's Circuits
  www.discovercircuits.com/DJ-Circuits/daj-main.htm  
David Tait's PIC Archive
  http://www.nomad.ee/PIC/index.html  
DC-DC converters to step down and up
  http://www.rowan.sensation.net.au/electronics/stepdown.html  
  http://www.rowan.sensation.net.au/electronics/stepup.html
Digital Temperature Sensors for Linux  
  http://www.digitemp.com  
Don's LED pages
  http://members.misty.com/don/ledx.html  
Electrical Circuits Explained  
  www.homeadvisor.com/r/residential-electrical-circuit-help/   
Electronics Calculators (online)
  http://www.calculatoredge.com 
Electronics Circuits Archive  
  http://www.circuitsarchive.org  
Electronics Club
  http://electronicsclub.info  
Electronics Tutorials (opamps, filters, and more)
 http://www.electronics-tutorials.ws/  
Elektor Magazine
  http://www.elektor.com/ 
EPE Magazine
  http://www.epemag.com/ 
EQ Frequency Cheatsheet
  https://www.sweetwater.com/insync/music-instrument-frequency-cheatsheet/   
Fantastic Atom Expander 
  http://www.aaroncake.net/circuits/atom.asp  
FC's solar Circuits
  http://www.solorb.com/elect/solarcirc  
Folkscanomy -- large collection of old electronics books and mags (among other things) 
 
https://archive.org/details/folkscanomy  
Forums - AllAbout Circuits
  https://forum.allaboutcircuits.com/  
Forums - Circuit Digest
  https://circuitdigest.com/forums  
Forums - electronics-lab
  https://www.electronics-lab.com/community/  
Forums - EEVblog 
  https://www.eevblog.com/forum/index.php  
Forums - ElectroTech
  https://www.electro-tech-online.com/   
Frequencies of Music
  https://www.psbspeakers.com/the-frequencies-of-music/  
Frequency Ranges (tables of)
  https://www.zytrax.com/tech/audio/audio.html  
Frequency Spectrum
  https://blog.landr.com/sound-frequency-eq/  
FTDI Android
  http://www.ftdichip.com/android.htm  
Hardware Book
  http://www.hardwarebook.info/Category:Circuit 
Halloween Ideas
  http://www.thebells.net/Halloween/ 
Halloween Props
  http://www.frightprops.com/frightprops/props/category.asp?ID=9  
Harnessing Solar Power with Smart Power-Conversion Techniques - Maxim-Dallas
  http://www.maxim-ic.com/appnotes.cfm/an_pk/484  
Hobby Projects
  https://www.hobbyprojects.com/ 
Home-Built LED Lighting
  https://www.otherpower.com/otherpower_lighting_leds.html  
How to charge Nickel Metal Hydride Batteries 
  http://www.powerstream.com/NiMH.htm?nowritefs  
How to charge sealed lead acid batteries  
  http://www.powerstream.com/SLA.htm    
How to Make a Signal Generator
  https://www.instructables.com/id/How-to-Make-a-Signal-Generator-Learn-to-Generate-E/ 
Intro to Filters
  https://www.allaboutcircuits.com/technical-articles/an-introduction-to-filters/  
I-O Ports Uncensored - Controlling LEDs with Parallel Port
  http://www.codeproject.com/KB/cs/csppleds.aspx   
    

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Jan Axelson
  http://www.janaxelson.com/   
LED Circuits  
  https://www.ngineering.com/led_circuits.htm  
LED Circuits  
  https://en.wikipedia.org/wiki/LED_circuit   
LED Notes
  http://www.gizmology.net/LEDs.htm 
Lego Mindstorms
  http://mindstorms.lego.com  
Lithium Ion Charger
  http://shdesigns.org/lionchg.shtml  
Maxim
  https://www.maximintegrated.com/en.html 
Maxim HIMALAYA uSLIC Power Modules
  https://www.maximintegrated.com/en/products/power/power-modules/himalaya-uslic-power-modules.html  
MAX1692 Low-Noise, 5.5V Input, PWM Step-Down Regulator 
  http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1932  
MAX712, MAX713 NiCd-NiMH Battery Fast-Charge Controllers 
  http://www.maxim-ic.com/quick_view2.cfm?qv_pk=1666  
MicroLans and 1-wire
  http://www.arunet.co.uk/tkboyd/e1didx.htm 
Model-Aircraft circuits
  http://www.speedy-bl.com/electr-e.htm  
Music Circuits
  http://www.zen22142.zen.co.uk/Circuits/Music/music.htm  
My Pic Projects
  http://www.ke4nyv.com/picprojects.htm  
Musical instrument frequency spectrum chart
  https://www.audio-issues.com/music-mixing/all-the-eq-information-youll-ever-need/  
National (now part of Texas Instruments)
  http://www.ti.com/ 
NimH Application Manual (Energizer)
  http://data.energizer.com/PDFs/nickelmetalhydride_appman.pdf  
NTE 
  http://www.nteinc.com/ 
Nuts&Volts Magazine
  www.nutsvolts.com 
One-wire Weather  
  http://oww.sourceforge.net 
OpAmp Tutorials
  http://www.hobbyprojects.com/operational_amplifier.html 
Peter H. Anderson - Embedded Processor Control
  https://phanderson.com/  
PIC 5x7 DISPLAY
  http://users.tpg.com.au/users/talking/5x7%20Display%20Index.html  
PIC Micro Training  
  http://techtrain.microchip.com/x14  
Pony Prog

  http://www.lancos.com/prog.html  

Quozl's Temperature Sensor Project 
(see also K145 at www.kitsrus.com
  http://quozl.netrek.org/ts  
Raspberry Pi Projects
  https://www.ubuntupit.com/20-best-raspberry-pi-projects-that-you-can-start-right-now/  
  https://projects.raspberrypi.org/en   
Red Free Circuit Designs  
  http://www.redcircuits.com  
Robot Room  
  http://www.robotroom.com  
Roger's uControllers   
  http://www.rasmicro.com  
RS232 Tutorial on Data Interface and cables
  http://www.arcelect.com/rs232.htm  
Schematics Links at Electronics DIY 
  http://electronics-diy.com/schematics.php  
Schlezinger's Projects  
  https://schlezinger.wordpress.com  
Sensirion
  http://www.sensirion.com  
Simple Color Organ  
  http://www.redcircuits.com/Page131.htm  
Simple LED Circuits  
  https://www.electronicshub.org/simple-led-circuits/     
Simple step-up converter
  https://www.den-uijl.nl/electronics/dc-dc-step-up-converter/dcdc.shtml   
Simple and Useful LED Circuits
  https://www.electroschematics.com/simple-led-circuits/  
Simple Switch Regulator (scroll towards bottom of page)
  http://www.techlib.com/electronics/regulators.html  
Simple switching regulator (step down)
  http://www.rowan.sensation.net.au/electronics/stepdown.html  
Solar Cell Phone Charger
  http://www.techlib.com/electronics/battery_chargers.html  
Solar Engines
  http://solarbotics.net/  
Solar Kits
  http://www.sunwind.ca/#SunWindKits  
Spectrum Analyzer (online)
  https://academo.org/demos/spectrum-analyzer/  
Talking Electronics PIC Programming Course
  http://users.tpg.com.au/users/talking/
Teach Me Audio
  https://www.teachmeaudio.com/   
TechRef
  http://bobblick.com/techref/techref.html  
Texas Instruments
  www.ti.com
Tutorials from SparkFun
  https://learn.sparkfun.com/tutorials  
Web Therm
  http://www.lancos.com/webtherm.html  
What is a Thermistor
  https://www.omega.com/en-us/resources/thermistor  
Wiring LEDs Correctly
  https://www.ledsupply.com/blog/wiring-leds-correctly-series-parallel-circuits-explained/  
Serial-Modem Errors in Windows
  http://www.modemhelp.net/dunerror/dunerrorcodes.shtml  
WinPicProg Page
  http://www.winpicprog.co.uk  

  


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Dead Links  (at Mar/20)
Some of these may be accessible through the WayBack Machine  (https://archive.org/web/


555 Timer Tutorial
  http://www.uoguelph.ca/~antoon/gadgets/555/555.html
Active Filters
  http://sound.westhost.com/articles/active-filters.htm 
Audio Pages

  http://sound.westhost.com/  
Active Filter Calculator (MultiFeedBack)
  http://sound.westhost.com/download.htm  

Audio Designs With Opamps - 1/2/3
 http://sound.westhost.com/dwopa.htm  
 http://sound.westhost.com/dwopa2.htm
 http://sound.westhost.com/dwopa2.htm 
Bill's Reference Library
  http://www.reprise.com/host/circuits/default.asp

Circuits for the Hobbyist
  http://www.uoguelph.ca/~antoon/circ/circuits.htm 

Computer  Christmas
  http://computerchristmas.com/  

Delgeruun Solar Power Report
  http://www.gadenrelief.org/staff/delgeruun_solar_power_report.html   

Electronic circuits for the Hobbyist
  http://www.sentex.ca/~mec1995/circ/circuits.htm  

Instrument and voice sound spectrum chart
 http://www.independentrecording.net/irn/resources/freqchart/main_display.htm 

MegaGiant Robotics 
  http://robotics.megagiant.com  

 

 

 

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