The Curious Engineer

All blogs / Retro computing

biosrhythm.com

biosrhythm.com

Retro computingApple / classic MacCommodore 8-bitElectronics

’05’10’15’20’25
Posts
383 from 5 Oct 2005 to 2 Apr 2025
Posting
now and then
Kind
personal blog
Feed
https://biosrhythm.com/

2025 2

  1. My Pen Plotter Collection
  2. Stealth Macintosh Portable Case Mod

2024 5

  1. ImageWriter II Color Ribbon Fix
  2. iPod 3rd Gen: SD Card Upgrade, New Battery, and Flex Cable Repair
  3. Using AppleTalk with QEMU 9 on Raspberry Pi 5
  4. Building a Classic Mac Support Server
  5. Pushing AppleTalk Across the Internet

2023 11

  1. HP 7585B Pen Plotter Repair
  2. Hayes Please: Preserving Software History
  3. IKEA Ivar Hack: Pen Plotter Sliding Drawers
  4. Macintosh Emulation and Printing using Mini VMac on a PocketCHIP
  5. Self Referential Pen Plotter Floppy Disks
  6. Datavue 25 Lunchbox PC Power Supply Repair
  7. Hayes Chronograph Display Repair
  8. Zenith ZL-1 MinisPort Laptop repairs
  9. Modding a Timex Sinclair 2068 to a Switchable ZX Spectrum ROM
  10. Commodore SX-64 Repair and Refurbishment
  11. Atari 1040 STf upgrade and repair

2022 13

  1. Installing an Ethernet card and video card and other upgrades for a Mac SE/30.
  2. Another Visit to The Computer Museum at System Source in Baltimore MD.
  3. A Visit to The Computer Museum at System Source, Baltimore, MD
  4. Commodore PET 2001 Repair
  5. Radio Shack TRS-80 PC-2 Pocket Computer and Plotter Refurbishment
  6. Typewriter Plotters
  7. Another Commodore 64 Black Screen Repair
  8. Commodore 64 Black Screen Repair
  9. Recapping an Epson HX-20 Slabtop
  10. Recapping the Apple PowerBook 160 LCD Display
  11. Sony PS-F9 “Flamingo” Turntable Repair
  12. Recap and repair of a Mac Classic II
  13. Welcoming (back) a LaserWriter II

2021 3

  1. MJB Cartridge Expander and 80 column card for C64
  2. Hayes Transet
  3. Hayes InterBridge

2018 2

  1. Making DOS and CP/M 5.25″ Boot Disks with Commodore 128 and 1571 Floppy Drive
  2. Northern Telecom Displayphone Firmware ROMs and Information

2017 2

  1. Modern Upgrades for the Hayes Chronograph
  2. Atari Portfolio Serial Interface: How To Get Terminal Software

2016 4

  1. Convert a Commodore 64 from NTSC to PAL format
  2. Commodore 1520 Plotter X/Y Gear Repair Guide
  3. RS-232 for Commodore PET and Dialing a BBS over WiFi
  4. LumaFix64: Commodore 64 with less stripes

2015 6

  1. SX-64 Short Expansion Board
  2. Converting a Commodore SX-64 to a DX-64 Dual Drive
  3. A new dust cover for the Sony PS-F5 turntable
  4. Getting Programs For The C64 CP/M Cartridge
  5. The Jameco JE520 Voice Synthesizer
  6. Guest DJ Set On WVUD 91.3FM

2014 6

  1. Commodore 1520 Plots .SVG Images
  2. Reddit/r/RetroBattlestations BASIC Week 3– C64 port
  3. 3D Visualization on the Commodore 1520
  4. Using Prowl to Announce IP Address of Raspberry Pi on iOS
  5. DIY RS-232 Interface for Commodore C64 for under $15
  6. How to get software to disk for your Commodore 64

2013 5

  1. Reddit r/retrobattlestations Commodore 64 Port
  2. The PP&S Frame Grabber 256 for Amiga
  3. Make an Apple // disc for BASIC week at Reddit RetroBattlestations
  4. Create a local web-based Apple II disc server
  5. Adding S-Video to an Atari 800XL

2012 8

  1. DIY C64 Diagnostic and Dead Test Carts
  2. Raspberry Pi And A Personal Weather Station
  3. Buy Prints of My Work at Instacanv.as
  4. DIY Cynthcart for Commodore 64
  5. Code for DIY NES Game Pad to Arduino to iPad Adapter
  6. DIY NES Gamepad to iPad Adapter
  7. C64 USB Keyboard works with iPad
  8. Commodore 64 Keyboard Gets The USB Treatment Thanks to Arduino

2011 6

  1. HOW TO: Make a time lapse movie
  2. DIY Foam Packaging
  3. Converting standard joysticks to wireless infrared for Amiga CDTV and Chameleon 64
  4. eBay Oddity: Silver Reed EB-50
  5. Testing a Geiger Counter Kit
  6. Print from iPad to ImageWritter II

2010 9

  1. Memories Of The Future- Select Start Records Compilation
  2. Frog Fail!
  3. World’s Greatest Head Massage!
  4. Bees Collecting Pollen on Echinacea Flowers in Slow Motion
  5. Finally: Max Headroom on DVD
  6. Wingscapes Plantcam Time Lapse Camera
  7. Learn iPhone Programming from Standard University
  8. Going Paperless with the Fujitsu ScanSnap S300M
  9. DIY iPhone Document Scanner

2009 28

  1. High Speed Movies from a Point and Shoot
  2. Commodore 1520 Printer Plotter
  3. VHS Erasing Project
  4. Microsoft BASIC Timeline + Easter Eggs
  5. My PV Tweets
  6. Cranberry Orange Pie
  7. upl8.tv: Genius Site Plays YouTube Like The Tube
  8. Remix: Windows 7 Party Pack Video
  9. Dropbox: Free Personal File Synchronization
  10. PV: Day 30
  11. Antioxidant Foolishness
  12. Drying for Freedom
  13. UStream.tv Broadcaster on an iPhone (Jailbroken)
  14. PV: Day 6
  15. PV: Day 1
  16. Talking to an old PTZ camera
  17. Solar Success
  18. DIY Retro Cellphone Handset
  19. Peach Theif
  20. Summer Tomatoes
  21. The Conan and Super Mario Brothers connection
  22. VirtualBox, the free VM alternative
  23. Ziggy Stardust Remixed
  24. Goodbye Ruckus, we hardly knew ye.
  25. Mr. T Shifts Careers to Sell Ovens, Make Bad Jokes
  26. We’re a WordPress whore now!
  27. Moment of Zen
  28. Zooming into photo stitches

2008 91

  1. VIDEO: Grace Jones: Corporate Cannibal
  2. Happy Christmas Everyone
  3. Video: Benny Benassi “Satisfaction”
  4. Passive iPod Speaker
  5. The Winter Sky: A Time Lapse Composite Picture
  6. Blog Roll: Fast Food Critic
  7. Wee Planets: A Fresh Look at Panoramas
  8. Thanksgiving Oldie: The Onion’s Hand Turkey
  9. Monster Truck Show Video Tilt Shifted, Stop Motion
  10. Canon EF-S 10-22mm USM lens
  11. New App: Project Polaroid
  12. Listerine as Bug Repellent?
  13. Fancy a slice of Turbaconducken this Thanksgiving?
  14. How to Solder Correctly and Why
  15. Making Green Tomato Pickles
  16. Yep, I bought it: Bloom
  17. New iPhone/iPod Touch Apps, Pricedrops
  18. A Geek’s Christmas Buying Guide, Part 1
  19. MINI vs. Tahoe
  20. Longest. Lapse. EVAR.
  21. Fantasmagoria: 100 year old animation
  22. View PDF Documents Inline in Firefox 3
  23. Rex The Dog: New Album Coming 9/1/08
  24. Blogwatch: BibliOdyssey
  25. MINI Factory Tour
  26. MINI has horrific accident– occupants walk away.
  27. Arduino Sensor Workshop Document
  28. Rex the Dog and Punk Monkey perform Tony the Beat
  29. For the love of 8 bits.
  30. Joan Crawford and Colonel Sanders
  31. iPhone 2.0 Location Services
  32. IR interfacing with a LED messgage sign, part 3
  33. IR interfacing with a LED messgage sign, part 2
  34. IR interfacing with a LED messgage sign, part 1
  35. ZOMG!!! You’ve Won Internet!!!!!!
  36. Twins!
  37. Read: MINI
  38. A recent visitor to a DSWA electronics recycling station
  39. Video: Young nestlings being fed
  40. Reminder: Charge your NiMH batteries!
  41. Building a bar? Jim is.
  42. New Stamp Design from The Onion
  43. Improve your search
  44. Delaware Electronics Recycling
  45. Twins?
  46. B12 Records Live Radio Set
  47. Aural-based blogs
  48. NIN: The Slip, free download
  49. Bacon Placemats
  50. A moment of 5-piece Colonel meal zen
  51. Quiz: Guess the Movie from this Still Frame, part 3
  52. In keeping with the popup theme
  53. Recycle Your Polystyrene
  54. Video: SHITDISCO, OK
  55. Canon Vixia HF100: First Impressions
  56. New Music: You might also enjoy
  57. An Engineer’s Guide to Cats: YouTube
  58. Real yogurt is making a come back
  59. Desktop freebie: Stargazer Lilies
  60. Fire sale: Griffin FireWave adds surround sound to Macs
  61. Timelapse: Walking Iris
  62. Create your own iPhone ring tones
  63. Understanding the mystery of Unsharp Mask
  64. Apple’s Time Capsule: Painfully Slow
  65. Oscar Myer gets MINI on their Wiener Mobile
  66. Yazoo: On Tour!
  67. Stunning pictures of San Francisco Fleetweek Airshow
  68. Moment of Hammer Time Zen
  69. Cameratoss, addition to the photographic vernacular
  70. Unordinary Camera Accessories
  71. How Old is Your Hearing: The Mosquito Ringtone
  72. Astropix.com by Jerry Lodriguss
  73. Astrophotography, redux #1
  74. 1,301 Florescent Bulbs Lit Solely by Magnetic Fields
  75. Your next band, album name, sleeve artwork in seconds
  76. Modifying AXIS 205/206 for correct daylight savings time
  77. The world just got a bit scarier.
  78. Perhaps the best use of Flash?
  79. Freeze Frame! NYC Time-Stop Prank
  80. Obey The Labrador!
  81. Ill-Advised Business Names
  82. London Desktop Backgrounds, Series 2
  83. Handy iPhoto Date and Time adjustment Applescripts
  84. London Desktop Backgrounds, Series 1
  85. The history of the VCR
  86. Music via your YouTubes
  87. The Plant Oxford Tour: Building the MINI Cooper
  88. Link Dump: Ambient Music and Building Blocks
  89. Factory: Manchester from Joy Division to Happy Mondays
  90. On the topic of unfriendly Londonesque WiFi
  91. Today is the day!

2007 65

  1. DIY UHF Antenna
  2. Dreamy Ambient Streaming Radio Station
  3. Saturday Night Blog Dump
  4. After Halloween dose: Vampire IT products, part one
  5. Happy Halloween!
  6. Free audio plug-ins that work: compressor, expander/noise gate, de-esser
  7. Businesses don’t have to take your dough
  8. Perian: The missing Quicktime component
  9. MAKE: Foxhole Radio
  10. On the topic of photography..
  11. National Lampoon’s Vacation “Family Truckster” returns?
  12. Clever video for “Minimum Wage”
  13. Trolls searching for phpMyAdmin installs
  14. A crop of volunteer tomatoes
  15. A fairy ring of mushrooms
  16. Oh hai, I can has parking spaces?
  17. Remember that bug I found on a tomato last year?
  18. Add LAME MP3 Export to Quicktime Player
  19. Simple idea for portable device charging station
  20. Dub Pimp Star LED Wheel Set: Dazzle the Lizadies With Shiny Things
  21. Use Handbrake to Make iPhone Movies
  22. First Tank of Regular is in the MINI
  23. iPhone Camera: Slow Refresh Rate?
  24. iPhone Web-Based IM Apps: Feeding the Honeypot?
  25. The banana tree bloom: Day 6
  26. Online Color Scheme Picker
  27. Disable the internal iSight on MacBook, MacBook Pro
  28. The Freesound Project
  29. The banana tree bloom: Day 3
  30. Two original Mini Coopers in D.C.
  31. The proof is in the pudding– MINI Cooper S MPG report
  32. Free desktop image from Saint Anthony’s Italian Festival
  33. The banana tree is going to bloom!
  34. Funnel Flickr Images into an iPhoto Photocast
  35. Hey! Nice Park Job
  36. NIN Releases four tracks from album “Year Zero” in Garage Band format
  37. Apple and Modest Mouse Video Contest
  38. Photo booth: the result
  39. Tim Hunkin’s photo booth project
  40. The making of a photo booth, part 4
  41. The making of a photo booth, part 3
  42. The making of a photo booth, part 2
  43. The making of a photo booth, part 1
  44. Online image editing
  45. Top 10 most influential Amiga games
  46. PIXELATOR: Low-res transformation of NYC MTA video displays
  47. How the ‘THX’ sound was created
  48. WSJ Article about MiiWare.com features Paul’s Photos
  49. The Social Music Revolution of Last.fm
  50. MINI Cooper & Parrot Evolution CK3000 Bluetooth adapter install
  51. PhillyMINI Cabin Fever Rally III
  52. AppleTV First Impressions
  53. Reasonably priced dimmable compact fluorescent bulbs
  54. Street Justice at Its Finest
  55. PhillyMINI.org 2006 Year in Review Video
  56. The Bruce Weiner Microcar Museum
  57. HandBrake forked to MediaFork
  58. Making Snow at Home
  59. YouTube Dump
  60. YouTube Travels
  61. When Caller ID Isn’t Enough
  62. Keepin’ it old school: The Amiga Lives on
  63. Phone trips from the 1970’s
  64. Comparison of foods at the 200 calorie mark
  65. Digital vs Analog TV: Samples

2006 52

  1. License Plate Identified
  2. Miglia TVMini-HD: HDTV for your Mac
  3. Call to Question: Identify the Origin of this License Plate
  4. Today’s Phobia: Fear of Pickles
  5. Light In Sight: Car Windshield mounted fresnel lens
  6. Line Rider: Mindless Fun
  7. Oh gnoes!~~! Airliners having problems landing in Seattle
  8. No soap this year.
  9. Of a recursive nature
  10. More from the Monterey Bay Aquarium
  11. Jellies
  12. Blue Mountain Range
  13. Dispatch from the sky
  14. OMG! Where did November go?
  15. Fall is for apple pie.
  16. Time to make the soap.
  17. A Plug for FIOS
  18. Five and a quarter, floppy.
  19. The Harvest Moon
  20. How to quickly make iced tea.
  21. Free Printable Lens Hoods
  22. Identify this bug, please.
  23. NitroAV Vanguard V RAID Near Heart Attack Failure
  24. Cutest Printer in the World?
  25. PhillyMINI Four Dogs Run
  26. Pookmail.com: Disposable email addresses
  27. Choreographed Soda Musical
  28. R.I.P. Stone Balloon
  29. The Italian Job Roller Coaster
  30. The FJ Cruiser has arrived!
  31. 1,000 Miles and Counting!
  32. The Magic of Daniel Chesterfield
  33. My New MINI Cooper S
  34. Use solar energy now: hang your clothes to dry outside
  35. OMG!!~ Lady gets punchz0rd in teh face!!
  36. Boywundr has a posse ^H^H^H^H^H blog.
  37. iBook G3 Clamshell Repair Timelapse
  38. The Banner Images, Explained
  39. John Daker, the director’s cut
  40. It’s a Dog’s Life
  41. There’s No Such Thing as Free
  42. Stuff On My Cat ….. .Com
  43. Vintage Atomic Era Print Ads
  44. QVC Gets 0wnnz0rdd; Discovers Dell PCs are Great for Pr0n
  45. Pac Man Spotted in the Wild
  46. SpokePOV: POV for your bike
  47. MAME on iPod
  48. We’ll see how long this lasts..
  49. Video: 500kv Switch Opening at Power Substation
  50. A Moment of Food Zen: Glass Kitchen Onion Rings
  51. The Days Are Getting Longer
  52. Hi Resolution, Large Format Scanner Camera

2005 65

  1. I’m purging, buy my junk
  2. Hi-larious Bootleg Covers
  3. Quiz: Guess the Movie from this Still Frame
  4. David Lachapelle Italian Shoe Photos for Vogue
  5. Modern Moist Towelette Collection
  6. Amazon Mechanical Turk: Solve Easy Problems and Earn Dough
  7. MAME Cocktail Cabinet #2 Begins
  8. Library of Congress Collection of Images
  9. Quiz: Guess the Movie from this Still Frame
  10. Ford Ruins Childhood Memories with Advertisement
  11. Worst Album Covers of All Time?
  12. McDonalds Simulator
  13. Hats of Meat
  14. Play Video on Your Older iPod
  15. Export to MP3 Directly from Quicktime Player
  16. Apple Quietly Pulls Modems from Certain Macs
  17. Quote of the Day
  18. TUAW Uses IIS and MSSQL Server
  19. Audacity: Free Open Source Audio App
  20. Random Axis Camera Zen: Hiroshima Street Life
  21. Which Napoleon Character Are You?
  22. Nascar Crockpot: Cooks as slow as original Crockpot
  23. Random Axis Camera Zen: Manma Beach, Japan
  24. Unintentional Hallowe’en Costume: Katamari
  25. Hallowe’en Costume: Office Space
  26. Mac OS X 10.4.3 Update: Safari Supports Server Push
  27. Cold Weather: Inside for Houseplants, Pest Control
  28. Homemade High Altitude Balloon: 66,585 ft.
  29. SYSTM: Geek How-To Vodcasts
  30. LED Lit Pumpkin
  31. gDisk: Turn Your Gmail Account into File Storage
  32. Slashfood: Food Geeks
  33. Securing Mac OS X 10.4 Tiger: White Paper
  34. Play a Video to Cure Stuck Pixels
  35. Steve Jobs Has a Posse
  36. What Are Your Top 10 Depeche Mode Songs?
  37. Motorola iDEN GPS Tracking with Google Maps
  38. Some Official Lost Sites
  39. Random Axis Camera Classroom
  40. Random Axis Camera Zen: Georgia State
  41. Rate This!
  42. The Chronicles of George: Tech Support (from) Hell
  43. Sir Mix-a-Lot: Meet Your Re-Maker
  44. Caution: Low Flying Objects
  45. Random Axis Camera Zen: Fries with that?
  46. Warhol Tote Bags
  47. OS X: Timecode Calculator
  48. Pumpkin Carving Alternatives
  49. WMV Components for OS X: Play/Export WMV in Quicktime Player
  50. No Requests
  51. Random Axis Camera Zen: The AXIS 206M
  52. Sorry Canada and Hawaii, No All White Meat Chicken For You
  53. Less Random Axis Camera Zen
  54. Random Axis Camera Zen
  55. Apple: Where are my movies supposed to go?
  56. Hallowe’en Goodies
  57. Useful Widget Alert: VideoSpace
  58. Adblock Fix for Firefox 1.5 Beta
  59. Eagerly Awaiting Depeche Mode’s New Album
  60. Peering Dispute Standoff Ends– For at Least a Month
  61. This Content has been Reformated to Fit Your TV
  62. Feuding Internet Backbone Providers Cripple Portions of the World
  63. I’m Falling!
  64. “Lost” Numbers: Earth Coordinates?
  65. Obligatory introductory post