Bookmarks and Links (Anything I find Useful or Interesting)
Barely organized bookmarks and links, sometimes used as a temporary place for interesting links I’ve just learned of, awaiting further sorting and categorizing.
Note that this table of contents is pretty rough and there may be overlap. For instance, an Arduino robot might be under “Arduino” or under “Robotics”.
Table Of Contents
Android IOIO
Zener Diodes
Batteries
Robotics
Arduino
LEDs
Motors
MOSFETs
Audio and Sound
Learning Electronics
Antique Electronics
Metal Working
Not Yet Indexed
Android IOIO
http://www.sparkfun.com/products/10748
Zener Diodes
http://sound.westhost.com/appnotes/an008.htm
Batteries
http://www1.duracell.com/procell/chemistries/default.asp
Robotics
Society of Robots
Robot Room
http://www.leang.com/robotics/ nice use of CDROM as wheel
Arduino
Arduino Analog Comparator
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1241680042
http://www.arduino.cc/playground/Learning/AtmegaStandalone
http://www.arduino.cc/en/Main/StandaloneAssembly
arduino or software synthesis
http://elm-chan.org/works/mxb/report.html
Arduino
Arduino-Python 4-Axis Servo Control at Principia Labs
Another Arduino blog
Engbedded Atmel AVR Fuse Calculator
ATMega tutorial at DIY Drones
USB host shield
http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-for-arduino/
Feeds for Arduino/Processing combos
pachube
arduino stepper motors
http://www.tigoe.net/pcomp/code/circuits/motors/stepper-motors
arduino shields
http://www.shieldlist.org/
Rainbowduinos from seeedstudio is basically a 8×8 led matrix driver with a I2C interface.
http://www.neophob.com/2010/07/rainbowduino-fun-aka-neorainbowduino/
video experimentors shield:
http://nootropicdesign.com/store/index.php?main_page=product_info&cPath=1&products_id=23
DF Robotics Motor Shield for Arduino
arduino and max
http://www.cycling74.com/forums/topic.php?id=26623
http://cycling74.com/toolbox/sensorbox/
arduino tutorials
http://tronixstuff.wordpress.com/tutorials/
arduino sensors
http://www.ladyada.net/learn/sensors/
arduino interrupts
http://www.dave-auld.net/index.php?option=com_content&view=article&id=107:arduino-interrupts&catid=53:arduino-input-output-basics&Itemid=107
using photointerrupters
http://www.embedded.arch.ethz.ch/Examples/PhotointerrupterCountInterrupt
http://www.embedded.arch.ethz.ch/Examples/Photointerrupter
http://www.embedded.arch.ethz.ch/Examples/TimerDcMotorBackground
timers and pwm
http://arduino.cc/en/Tutorial/SecretsOfArduinoPWM
function for changing pwm frequency
http://www.arduino.cc/playground/Code/PwmFrequency
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1152547089
arduino projects
http://www.creativeapplications.net/processing/spotify-player-processing-objects/
http://www.practicalarduino.com/projects
http://hacknmod.com/hack/top-40-arduino-projects-of-the-web/
http://zedomax.com/blog/2010/02/16/top-10-diy-arduino-projects-and-how-to-tutorials/
http://hubpages.com/hub/CBJamosArduinos
http://www.arduinoprojects.com/
http://www.coolcircuit.com/gadgets/category/arduino/
http://hacknmod.com/hack/high-speed-photography-how-to-trigger-using-arduino/
http://www.instructables.com/id/Lo-fi-Arduino-Guitar-Pedal/step7/Variations-and-Notes/
very nice light panels or coffee table
http://www.instructables.com/id/Yet-Another-Daft-Punk-Coffee-TableDisplay/?ALLSTEPS&contest=true
http://www.coolcircuit.com/gadgets/category/arduino/page/1/
ham and arduino
http://kengracey.com/Home/RadioCommunication/tabid/73/Default.aspx
RF Communication Between BASIC Stamps Using 2-meter HT Radios
LEDs
LED
The Zetex ZXSC380 is a tiny surface mount IC, with just three pins, that needs just a single inductor to step the voltage up to drive a LED. The ZXSC380 controls the output current so that no resistors are required.
How Motors Work
http://www.solarbotics.net/starting/200111_dcmotor/200111_dcmotor2.html
ww1.microchip.com/downloads/en/DeviceDoc/41233B.pdf
http://www.clrwtr.com/Single-Phase-Electric-Motors-Characteristics-Applications.htm
http://cr4.globalspec.com/thread/8136/Capacitor-size-for-split-phase-motor-starting
http://www.electricneutron.com/electric-motor/single-phase-capacitor-sizing
http://cr4.globalspec.com/thread/17777/How-Select-Capacitor-for-Single-Phase-230-Volt-Motor
MOSFETs
http://www.physics.udel.edu/~watson/scen103/mos5.gif
http://www.electro-tech-online.com/general-electronics-chat/12029-controlling-p-channel-mosfet-mcu.html
http://www.electronics-tutorials.ws/transistor/tran_7.html
http://digital-diy.com/General-Electronics/digi-tip-logic-level-fets-p-channel.html
http://homepages.which.net/~paul.hills/SpeedControl/Mosfets.html
http://www.electronics-tutorials.ws/transistor/tran_6.html
MOSFETs, Motor Controllers, and H-Bridges
http://www.solarbotics.com/search/?query=motor+controller&x=0&y=0
http://www.solarbotics.com/products/k_cmd/
http://www.societyofrobots.com/member_tutorials/node/166
http://www.societyofrobots.com/robotforum/index.php?topic=6544.0
http://forum.allaboutcircuits.com/image_cache/
httpi44.tinypic.com1zq65pc.jpg
http://forum.allaboutcircuits.com/image_cache/httpi44.tinypic.com1zq65pc.jpg
http://tech.groups.yahoo.com/group/SeattleRobotics/message/6233?threaded=1&var=1&p=1
http://www.linear.com/product/ltc1155#descriptionSection
http://www.modularcircuits.com/h-bridge_secrets1.htm this is excellent!!
http://www.cadvision.com/blanchas/hexfet/np-s.htm
http://www.cadvision.com/blanchas/hexfet/
http://roko.ca/robotics/h-bridge-fundamentals/3
http://robotechno.us/high-current-h-bridge-with-mosfet.html
DF Robotics Motor Shield for Arduino
Filter design tool for all sorts of filters, passive and active
Learning Electronics
Basic Electronic Tutorials – Excellent!
How to use the Oscilloscope from Tektronix
Antique Electronics
Antique Radio Archives: “Resources for what are often obscure items, things that may not have mass appeal, but items that will be of value when the need for them arises.” Great collection of magazines, books, and articles from the early days of radio electronics.
http://www.crystalradio.net/
http://www.midnightscience.com/
http://www.squidoo.com/my-radio-projects#module158395636
http://midnightscience.com/kits.html
http://www.antiquewireless.org/otb/hartley0709.htm
http://bellsouthpwp2.net/w/u/wuggy/radproj.htm
http://makearadio.com/crystal/index.php
http://www.qsl.net/wb5ude/kc6wdk/receiver.html
http://www.antiquewireless.org/otb/hartley0709.htm
http://www.eleccircuit.com/light-to-sound-wave-receiver-using-ic-741/
http://www.buildcircuit.com/am_receiver/
http://1n34a.com/
Metal Working
<a href=”http://www.lirec.eu/ mystery link
Good videos from MIT on metalwork shop training. Covers: Drill press Mill Grinders/deburrers/sanders lathe http://techtv.mit.edu/collections/ehs-videos/videos
Not yet indexed
Women in Technology
http://techgirlz.org/
http://www.techbridgegirls.org/AboutUs.aspx
http://www.mztek.org/
Good pictures of how to use a mouse wheel to sense rotation direction and speed
http://www.lushprojects.com/cyclepong/index.html
Water fountain and droplet art
http://hackaday.com/2011/03/11/water-droplet-sculpture-using-leds-and-arduino/
http://www.electronics-lab.com/blog/?p=10062
How we live with digital and interactive companions
Interesting electronic gadgets
WiFi Module with SPI interface to 8 bit MCU
Interesting blogs
bldgblog.blogspot.com
GetLoFi Circuit Bending Synth DIY
Software Defined Radio
ARRL list of SDR documentation including great beginner tutorials
Circuits for AEII
Op amp radio
Wacky Sound Generator from Music From Outer Space
The Squirrel Monkey is a simple one-tube guitar practice amp
The Fuzzy Firebottle Guitar Distortion Pedal is a really interesting distortion circuit running the tube at 30v.
Misc Audio Circuits
Simple Audio Preamp
Nice collection of Audio Amplifiers with good descriptions
Music From Outer Space. DIY synth, incredible graphics, yummy craziness.
Small Bear Electronics. Great tutorials, schematics, and kits for guitar effects.
Tonepad: A resource for DIY music
Open Circuits is a wiki for sharing open source electronics
LM339 based LED meter
Phasers, Comb Filters, and Flangers
Guitar Phaser at 4QD-TEC. Messy site, but one of the few to have phaser schematics
DIY ring modulator consisting of two transformers and 4 diodes. Definitely one I should try.
Good article About comb filtering, phase, shift, and polarity reversal
Digital comb filter built with an ATmega168
The technology of phase shifters and flangers
Unsorted
Excellent article on the theory and practice of audio filter design
Phozer: LFO and rocker pedal twin-T wah
Beginning Embedded Electronics tutorials at SparkFun
Transistor tester with excellent theory
Simple looking DIY Vacuum Tube Microphone Preamp / Direct Box Project
Great page explaining the theory of op amps with simple working animation
A ton of circuits, reasonably well documented
Physical Audio Signal Processing at CCRMA
Excellent collection of well documented headphone amplifiers, tube and solid state, beginners through advanced.
Great page about general electronics with many projects around model railroading
The Squirrel Monkey One Tube Guitar Amp, part of FC’s Electronic Circuits
Jon’s Electronic Projects for Hobbyists contains many tube projects
Build your own clone: kits and parts for DIY guitar effects but no circuits
Tube Audio Design by Bruce Rozenblit
Computer stuff
Rsync article at Linux Journal
Configuring wifi card in master mode
All Power Labs
Battery terminals and other large gauge lugs including a distribution junction taking input on a 3/8″ battery stud and distributing it to 8 #8 studs
wiki
N900
nokia n900 forum
maemo garage
Groups, clubs, events, forums, lists
RHoK & OpenHackDay 2010
Lift local events
general circuits
http://www.coolcircuit.com/more.php
sound circuits and sites
basic 741 electret mic preamp
http://www.electrokits.com/Audio-Amplifiers/Electret-Microphone-Amplifier
http://www.anti-theory.com/
great section on circuit bending
http://members.shaw.ca/roma/train.html Diesel engine and Horn sounds
VFD ring modulator
http://www.electronicpeasant.com/projects/ringmod/trmod.html
square wave generator
http://hyperphysics.phy-astr.gsu.edu/hbase/electronic/square.html
http://www.circuitstoday.com/square-wave-generator-using-ua-741
741 simple light to sound wave
http://www.eleccircuit.com/light-to-sound-wave-receiver-using-ic-741/
fancier light to sound with photodiode
http://www.5volt.eu/archives/63
forrest mims version (basic 741 plus amp)
http://books.google.com/books?id=STzitya5iwgC&pg=PA49&lpg=PA49&dq=light+frequency+to+sound+741&source=bl&ots=Ld9tHwlIuH&sig=fL_3z9ubGgNeoc5esXi19yIDUBQ&hl=en&ei=SCNvTcygMY-isAPf0cy6Cw&sa=X&oi=book_result&ct=result&resnum=8&ved=0CEkQ6AEwBw#v=onepage&q=light%20frequency%20to%20sound%20741&f=false
misc
Schmit trigger built out of a 741
http://www.circuitstoday.com/schmitt-trigger-circuit-using-ic-ua-741
transistor tester which explains a ton of practical stuff and includes an
optional arduino interface
http://www.thebox.myzen.co.uk/Hardware/Transistor_Tester.html
synthesizer circuits and sites
http://www.squidoo.com/buildASynth
simple circuit with 4047 and 4017
http://compiler.kaustic.net/machines/vanishing-moon.html
567 ring modulator on getlofi
http://www.getlofi.com/wp-content/uploads/tdomf/4211/noise567_604.gif
works nicely!
OLPC sensors
http://walterbender.org/?p=393
http://wiki.laptop.org/go/Making_XO_sensors
555
http://talkingelectronics.com/projects/50%20-%20555%20Circuits/images/LED-Dimmer.gif
http://talkingelectronics.com/projects/555/Page1-555.html
4 very long pages about 555; excellent detailed theory as well as many
examples. PWM motor speed control came from here.
http://www.kpsec.freeuk.com/555timer.htm
excellent
another excellent page
http://talkingelectronics.com/projects/OP-AMP/OP-AMP-2.html
festivals, shows, conferences, events, and contests
https://wiki.mozilla.org/Drumbeat/events/Festival/Barcelona/OpenRaval
http://www.geekybynature.com/
schools, courses, and programs
http://firmata.org/wiki/Examples
websites and blogs for inspiration
http://patrickboehner.blogspot.com
huge lists of links
Steve Wilson’s links
http://userwww.sfsu.edu/~swilson/
the case for tinkering
Sir Ken Robinson: Do schools kill creativity? (TED talks)
ultrasonic distance measuring
http://www.leang.com/robotics/info/articles/minison/minison.html
http://basicrobot.blogspot.com/2009/03/ultrasonic-sensor-circuit-1.html
misc robotics and nice website
http://www.robotroom.com/index.html
general inspiration and ideas
http://www.creativeapplications.net/category/processing/
IR heart beat detection
http://www.slotforum.com/forums/index.php?showtopic=28367&hl=lordjw&st=15
to amplify signal from phototransistor
graph paper generator
http://incompetech.com/graphpaper/logarithmic/
for microphone :
document size 11 * 8.5
x 4 cycles
y 1 cycle
black
learning electronics
http://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
http://sound.westhost.com/projects.htm
http://101science.com/transistor.htm
how transistors really work
http://amasci.com/amateur/transis.html
Understanding Electronics Components list of all things
http://www.mikroe.com/old/books/keu/00.htm
especially how capacitors work, markings, and example radio circuits
http://www.mikroe.com/old/books/keu/02.htm
intro to 741
http://www.circuitstoday.com/introduction-to-ua-741-op-amp
intro to audio oscillators
http://www.circuitstoday.com/audio-oscillators
phase shift oscillators
http://www.circuitstoday.com/phase-shift-oscillator
intermediate transistor amplifier circuits using common transistors
http://www.circuitstoday.com/few-transistor-amplifier-circuits
circuits on alternative materials (including wearables)
http://web.media.mit.edu/~plusea/
http://web.media.mit.edu/~plusea/?category_name=traces-and-connections
my portfolio
plenty of videos on chips’ facebook page
srl references
My second Arduino class at The Exploratorium: http://www.flickr.com/photos/tinkering_studio/sets/72157626600354722/with/5665744126/
linux
http://www.linux.com//learn/tutorials/393001-10-most-popular-linuxcom-stories-in-2010
http://www.linux.com/learn/tutorials/290879-beginners-guide-to-nmap
lifehacker
30 must-have extensions, although it’s not on the lh website suspicious?
https://addons.mozilla.org/en-US/firefox/collections/gallegr1/Lifehacker_s_Must_Have_Extensi/
n900
SyncEvolution on a Nokia N900
http://www.mayrhofer.eu.org/n900-syncevolution
history and culture
Muslim’s Achievements in Science & Technology (700-1300)
http://metaexistence.org/timeline1.htm
Interaction design
http://www.nastypixel.com/instantsoup/website/cover/
arabic
translate arabic writing to english
http://translate.reference.com/translate?query=%D8%A4lazim&src=ar&dst=en&v=1.0
todo
—-
print this page
http://www.linux-mag.com/id/8349/
LEDs
Rainbowduinos from seeedstudio is basically a 8×8 led matrix driver with a I2C interface.
very nice light panels or coffee table
http://www.instructables.com/id/Yet-Another-Daft-Punk-Coffee-TableDisplay/?ALLSTEPS&contest=true
basic 555 pwm
http://talkingelectronics.com/projects/50%20-%20555%20Circuits/images/LED-Dimmer.gif
constant current drivers
http://projects.dimension-x.net/archives/66
Inspiration for websites, syllabi, resumes, bios
http://www.monkeyview.net/kal@seemen.org/sfsu_class/index.vhtml
http://www.weststarland.com/ (ulrika)
things to read when i have time
open universities
http://p2pu.org/
http://worlduniversity.wikia.com/wiki/World_University
http://ftacademy.org/materials
counters for marcel
http://www.reuk.co.uk/Timer-Circuits-With-4060B.htm
http://www.reuk.co.uk/Repeat-Timer-Circuit.htm
https://homepages.westminster.org.uk/electronics/4017.htm
my classes
http://www.cca.edu/academics/summer/science
http://sfsudaivcd.blogspot.com/2011/04/summer-2011-course-with-great-elective.html
http://oi.sfsu.edu/cgi-bin/sims/classsch.details?row_id=AAASGQABPAAB0/NAAG&openu=U&CRSADMIN=E
741 stuff (although it’s also distributed in other categories)
http://talkingelectronics.com/projects/OP-AMP/OP-AMP-1.html
excellent and very simple with good animation
microphone preamsp
http://www.electro-tech-online.com/general-electronics-chat/31269-lm324-7809-problem.html
Pyo: python dsp module written in C so it’s fast
Flying platforms
Conferences, workshops, exhibitions
http://pervasiveconference.org
Sources of Modules, Kits, or Components for Makers
Barely organized bookmarks and links, sometimes used as a temporary place for interesting links I’ve just learned of, awaiting further sorting and categorizing.
Note that this table of contents is pretty rough and there may be overlap. For instance, an Arduino robot might be under “Arduino” or under “Robotics”.
Table Of Contents
Robotics
Arduino
LEDs
Motors
MOSFETs
Audio and Sound
Society of Robots
Robot Room
http://www.leang.com/robotics/ nice use of CDROM as wheel
http://www.arduino.cc/playground/Learning/AtmegaStandalone
http://www.arduino.cc/en/Main/StandaloneAssembly
arduino or software synthesis
http://elm-chan.org/works/mxb/report.html
Arduino
Arduino-Python 4-Axis Servo Control at Principia Labs
Another Arduino blog
Engbedded Atmel AVR Fuse Calculator
ATMega tutorial at DIY Drones
USB host shield
http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-for-arduino/
Feeds for Arduino/Processing combos
pachube
arduino stepper motors
http://www.tigoe.net/pcomp/code/circuits/motors/stepper-motors
arduino shields
http://www.shieldlist.org/
Rainbowduinos from seeedstudio is basically a 8×8 led matrix driver with a I2C interface.
http://www.neophob.com/2010/07/rainbowduino-fun-aka-neorainbowduino/
video experimentors shield:
http://nootropicdesign.com/store/index.php?main_page=product_info&cPath=1&products_id=23
DF Robotics Motor Shield for Arduino
arduino and max
http://www.cycling74.com/forums/topic.php?id=26623
http://cycling74.com/toolbox/sensorbox/
arduino tutorials
http://tronixstuff.wordpress.com/tutorials/
arduino sensors
http://www.ladyada.net/learn/sensors/
arduino interrupts
using photointerrupters
http://www.embedded.arch.ethz.ch/Examples/PhotointerrupterCountInterrupt
http://www.embedded.arch.ethz.ch/Examples/Photointerrupter
http://www.embedded.arch.ethz.ch/Examples/TimerDcMotorBackground
timers and pwm
http://arduino.cc/en/Tutorial/SecretsOfArduinoPWM
function for changing pwm frequency
http://www.arduino.cc/playground/Code/PwmFrequency
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1152547089
arduino projects
http://www.creativeapplications.net/processing/spotify-player-processing-objects/
http://www.practicalarduino.com/projects
http://hacknmod.com/hack/top-40-arduino-projects-of-the-web/
http://zedomax.com/blog/2010/02/16/top-10-diy-arduino-projects-and-how-to-tutorials/
http://hubpages.com/hub/CBJamosArduinos
http://www.arduinoprojects.com/
http://www.coolcircuit.com/gadgets/category/arduino/
http://hacknmod.com/hack/high-speed-photography-how-to-trigger-using-arduino/
http://www.instructables.com/id/Lo-fi-Arduino-Guitar-Pedal/step7/Variations-and-Notes/
very nice light panels or coffee table
http://www.instructables.com/id/Yet-Another-Daft-Punk-Coffee-TableDisplay/?ALLSTEPS&contest=true
http://www.coolcircuit.com/gadgets/category/arduino/page/1/
ham and arduino
http://kengracey.com/Home/RadioCommunication/tabid/73/Default.aspx
RF Communication Between BASIC Stamps Using 2-meter HT Radios
LED
The Zetex ZXSC380 is a tiny surface mount IC, with just three pins, that needs just a single inductor to step the voltage up to drive a LED. The ZXSC380 controls the output current so that no resistors are required.
How Motors Work
http://www.solarbotics.net/starting/200111_dcmotor/200111_dcmotor2.html
ww1.microchip.com/downloads/en/DeviceDoc/41233B.pdf
http://www.clrwtr.com/Single-Phase-Electric-Motors-Characteristics-Applications.htm
http://cr4.globalspec.com/thread/8136/Capacitor-size-for-split-phase-motor-starting
http://www.electricneutron.com/electric-motor/single-phase-capacitor-sizing
http://cr4.globalspec.com/thread/17777/How-Select-Capacitor-for-Single-Phase-230-Volt-Motor
MOSFETs
http://www.physics.udel.edu/~watson/scen103/mos5.gif
http://www.electro-tech-online.com/general-electronics-chat/12029-controlling-p-channel-mosfet-mcu.html
http://www.electronics-tutorials.ws/transistor/tran_7.html
http://digital-diy.com/General-Electronics/digi-tip-logic-level-fets-p-channel.html
http://homepages.which.net/~paul.hills/SpeedControl/Mosfets.html
http://www.electronics-tutorials.ws/transistor/tran_6.html
MOSFETs, Motor Controllers, and H-Bridges
http://www.solarbotics.com/search/?query=motor+controller&x=0&y=0
http://www.solarbotics.com/products/k_cmd/
http://www.societyofrobots.com/member_tutorials/node/166
http://www.societyofrobots.com/robotforum/index.php?topic=6544.0
http://forum.allaboutcircuits.com/image_cache/
httpi44.tinypic.com1zq65pc.jpg
http://forum.allaboutcircuits.com/image_cache/httpi44.tinypic.com1zq65pc.jpg
http://tech.groups.yahoo.com/group/SeattleRobotics/message/6233?threaded=1&var=1&p=1
http://www.linear.com/product/ltc1155#descriptionSection
http://www.modularcircuits.com/h-bridge_secrets1.htm this is excellent!!
http://www.cadvision.com/blanchas/hexfet/np-s.htm
http://www.cadvision.com/blanchas/hexfet/
http://roko.ca/robotics/h-bridge-fundamentals/3
http://robotechno.us/high-current-h-bridge-with-mosfet.html
DF Robotics Motor Shield for Arduino
Op amp radio
Wacky Sound Generator from Music From Outer Space
The Squirrel Monkey is a simple one-tube guitar practice amp
The Fuzzy Firebottle Guitar Distortion Pedal is a really interesting distortion circuit running the tube at 30v.
Misc Audio Circuits
Simple Audio Preamp
Nice collection of Audio Amplifiers with good descriptions
Music From Outer Space. DIY synth, incredible graphics, yummy craziness.
Small Bear Electronics. Great tutorials, schematics, and kits for guitar effects.
Tonepad: A resource for DIY music
Open Circuits is a wiki for sharing open source electronics
LM339 based LED meter
Phasers, Comb Filters, and Flangers
Guitar Phaser at 4QD-TEC. Messy site, but one of the few to have phaser schematics
DIY ring modulator consisting of two transformers and 4 diodes. Definitely one I should try.
Good article About comb filtering, phase, shift, and polarity reversal
Digital comb filter built with an ATmega168
The technology of phase shifters and flangers
sound circuits and sites
basic 741 electret mic preamp
http://www.electrokits.com/Audio-Amplifiers/Electret-Microphone-Amplifier
http://www.anti-theory.com/
great section on circuit bending
http://members.shaw.ca/roma/train.html Diesel engine and Horn sounds
VFD ring modulator
http://www.electronicpeasant.com/projects/ringmod/trmod.html
square wave generator
http://hyperphysics.phy-astr.gsu.edu/hbase/electronic/square.html
http://www.circuitstoday.com/square-wave-generator-using-ua-741
741 simple light to sound wave
http://www.eleccircuit.com/light-to-sound-wave-receiver-using-ic-741/
fancier light to sound with photodiode
http://www.5volt.eu/archives/63
forrest mims version (basic 741 plus amp)
http://books.google.com/books?id=STzitya5iwgC&pg=PA49&lpg=PA49&dq=light+frequency+to+sound+741&source=bl&ots=Ld9tHwlIuH&sig=fL_3z9ubGgNeoc5esXi19yIDUBQ&hl=en&ei=SCNvTcygMY-isAPf0cy6Cw&sa=X&oi=book_result&ct=result&resnum=8&ved=0CEkQ6AEwBw#v=onepage&q=light%20frequency%20to%20sound%20741&f=false
misc
Schmit trigger built out of a 741
http://www.circuitstoday.com/schmitt-trigger-circuit-using-ic-ua-741
transistor tester which explains a ton of practical stuff and includes an
optional arduino interface
http://www.thebox.myzen.co.uk/Hardware/Transistor_Tester.html
synthesizer circuits and sites
http://www.squidoo.com/buildASynth
simple circuit with 4047 and 4017
http://compiler.kaustic.net/machines/vanishing-moon.html
567 ring modulator on getlofi
http://www.getlofi.com/wp-content/uploads/tdomf/4211/noise567_604.gif
works nicely!
unsorted
Women in Technology
http://techgirlz.org/
http://www.techbridgegirls.org/AboutUs.aspx
http://www.mztek.org/
Good pictures of how to use a mouse wheel to sense rotation direction and speed
http://www.lushprojects.com/cyclepong/index.html
Water fountain and droplet art
http://hackaday.com/2011/03/11/water-droplet-sculpture-using-leds-and-arduino/
http://www.electronics-lab.com/blog/?p=10062
How we live with digital and interactive companions
Metal Working
Good videos from MIT on metalwork shop training. Covers: Drill press Mill Grinders/deburrers/sanders lathe http://techtv.mit.edu/collections/ehs-videos/videos
Interesting electronic gadgets
WiFi Module with SPI interface to 8 bit MCU
Interesting blogs
bldgblog.blogspot.com
GetLoFi Circuit Bending Synth DIY
Software Defined Radio
ARRL list of SDR documentation including great beginner tutorials
Unsorted
Excellent article on the theory and practice of audio filter design
Phozer: LFO and rocker pedal twin-T wah
Beginning Embedded Electronics tutorials at SparkFun
Transistor tester with excellent theory
Simple looking DIY Vacuum Tube Microphone Preamp / Direct Box Project
Great page explaining the theory of op amps with simple working animation
A ton of circuits, reasonably well documented
Physical Audio Signal Processing at CCRMA
Excellent collection of well documented headphone amplifiers, tube and solid state, beginners through advanced.
Great page about general electronics with many projects around model railroading
The Squirrel Monkey One Tube Guitar Amp, part of FC’s Electronic Circuits
Jon’s Electronic Projects for Hobbyists contains many tube projects
Build your own clone: kits and parts for DIY guitar effects but no circuits
Tube Audio Design by Bruce Rozenblit
Computer stuff
Rsync article at Linux Journal
Configuring wifi card in master mode
All Power Labs
Battery terminals and other large gauge lugs including a distribution junction taking input on a 3/8″ battery stud and distributing it to 8 #8 studs
wiki
N900
nokia n900 forum
maemo garage
Groups, clubs, events, forums, lists
RHoK & OpenHackDay 2010
Lift local events
general circuits
http://www.coolcircuit.com/more.php
OLPC sensors
http://walterbender.org/?p=393
http://wiki.laptop.org/go/Making_XO_sensors
555
http://talkingelectronics.com/projects/50%20-%20555%20Circuits/images/LED-Dimmer.gif
http://talkingelectronics.com/projects/555/Page1-555.html
4 very long pages about 555; excellent detailed theory as well as many
examples. PWM motor speed control came from here.
http://www.kpsec.freeuk.com/555timer.htm
excellent
another excellent page
http://talkingelectronics.com/projects/OP-AMP/OP-AMP-2.html
festivals, shows, conferences, events, and contests
https://wiki.mozilla.org/Drumbeat/events/Festival/Barcelona/OpenRaval
http://www.geekybynature.com/
Conferences, workshops, exhibitions
http://pervasiveconference.org
schools, courses, and programs
http://firmata.org/wiki/Examples
websites and blogs for inspiration
http://patrickboehner.blogspot.com
huge lists of links
Steve Wilson’s links
http://userwww.sfsu.edu/~swilson/
the case for tinkering
Sir Ken Robinson: Do schools kill creativity? (TED talks)
ultrasonic distance measuring
http://www.leang.com/robotics/info/articles/minison/minison.html
http://basicrobot.blogspot.com/2009/03/ultrasonic-sensor-circuit-1.html
misc robotics and nice website
http://www.robotroom.com/index.html
general inspiration and ideas
http://www.creativeapplications.net/category/processing/
IR heart beat detection
http://www.slotforum.com/forums/index.php?showtopic=28367&hl=lordjw&st=15
to amplify signal from phototransistor
graph paper generator
http://incompetech.com/graphpaper/logarithmic/
for microphone :
document size 11 * 8.5
x 4 cycles
y 1 cycle
black
learning electronics
http://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
http://sound.westhost.com/projects.htm
http://101science.com/transistor.htm
how transistors really work
http://amasci.com/amateur/transis.html
Understanding Electronics Components list of all things
http://www.mikroe.com/old/books/keu/00.htm
especially how capacitors work, markings, and example radio circuits
http://www.mikroe.com/old/books/keu/02.htm
intro to 741
http://www.circuitstoday.com/introduction-to-ua-741-op-amp
intro to audio oscillators
http://www.circuitstoday.com/audio-oscillators
phase shift oscillators
http://www.circuitstoday.com/phase-shift-oscillator
intermediate transistor amplifier circuits using common transistors
http://www.circuitstoday.com/few-transistor-amplifier-circuits
circuits on alternative materials (including wearables)
http://web.media.mit.edu/~plusea/
http://web.media.mit.edu/~plusea/?category_name=traces-and-connections
my portfolio
plenty of videos on chips’ facebook page
srl referencess
linux
http://www.linux.com//learn/tutorials/393001-10-most-popular-linuxcom-stories-in-2010
http://www.linux.com/learn/tutorials/290879-beginners-guide-to-nmap
lifehacker
30 must-have extensions, although it’s not on the lh website suspicious?
https://addons.mozilla.org/en-US/firefox/collections/gallegr1/Lifehacker_s_Must_Have_Extensi/
n900
SyncEvolution on a Nokia N900
http://www.mayrhofer.eu.org/n900-syncevolution
history and culture
Muslim’s Achievements in Science & Technology (700-1300)
http://metaexistence.org/timeline1.htm
Interaction design
http://www.nastypixel.com/instantsoup/website/cover/
arabic
translate arabic writing to english
http://translate.reference.com/translate?query=%D8%A4lazim&src=ar&dst=en&v=1.0
todo
—-
print this page
http://www.linux-mag.com/id/8349/
LEDs
Rainbowduinos from seeedstudio is basically a 8×8 led matrix driver with a I2C interface.
very nice light panels or coffee table
http://www.instructables.com/id/Yet-Another-Daft-Punk-Coffee-TableDisplay/?ALLSTEPS&contest=true
basic 555 pwm
http://talkingelectronics.com/projects/50%20-%20555%20Circuits/images/LED-Dimmer.gif
constant current drivers
http://projects.dimension-x.net/archives/66
Inspiration for websites, syllabi, resumes, bios
http://www.monkeyview.net/kal@seemen.org/sfsu_class/index.vhtml
http://www.weststarland.com/ (ulrika)
things to read when i have time
open universities
http://p2pu.org/
http://worlduniversity.wikia.com/wiki/World_University
http://ftacademy.org/materials
counters for marcel
http://www.reuk.co.uk/Timer-Circuits-With-4060B.htm
http://www.reuk.co.uk/Repeat-Timer-Circuit.htm
https://homepages.westminster.org.uk/electronics/4017.htm
my classes
http://www.cca.edu/academics/summer/science
http://sfsudaivcd.blogspot.com/2011/04/summer-2011-course-with-great-elective.html
http://oi.sfsu.edu/cgi-bin/sims/classsch.details?row_id=AAASGQABPAAB0/NAAG&openu=U&CRSADMIN=E
741 stuff (although it’s also distributed in other categories)
http://talkingelectronics.com/projects/OP-AMP/OP-AMP-1.html
excellent and very simple with good animation
microphone preamsp
http://www.electro-tech-online.com/general-electronics-chat/31269-lm324-7809-problem.html
Pyo: python dsp module written in C so it’s fast
Flying platforms
Sources of Modules, Kits, or Components for Makers
http://shop.snootlab.com/
http://www.mdfly.com
Surplus Sources
http://www.surplus-electronics-sales.com/Zencart/index.php?main_page=index&cPath=23
http://www.surpluscenter.com/
all electronics
american scientific
Leave a Reply