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Eric's retro tech projects
Completed projects
- FridgeMonitor -- WiFi? fridge/freezer monitor
- http://ohm.bu.edu/~hazen/TubeAmp/ (gallery of projects)
- ThirdTubeAmp (built) -- ideas for a small SET computer amp
- TubePhonoPreamp (built)
- TubeBoomBox (built)
Ideas for new projects (tubes)
- TubeBiasMonitor -- a box with a small graphical display to aid in tube bias setting
- TubeHeadphoneAmp
- CoolLookingTubes -- possible projects with GU29, GU31 etc
- NixieClock -- old and new projects
Ideas for new projects (other)
- ComputerHistoryProjects -- notably proposed/actual projects for the RICM
- SunriseLamp -- fading LED / alarm for Sara
- PiZeroW -- raspberry Pi zero W fun
- ESP8266 -- a simpler Arduino-compatible uC with WiFi and a few GPIOs
- HPCalculatorRevival -- old HP calculators
- Z80Laptop
- LedWeatherMap
- Phone
Reference
- WoodFurniture
- http://www.angelfire.com/electronic/funwithtubes/
- Useful tube reading:
- WTF salty but quite helpful page on tube amp basics (including nice section on building chassis)
- https://robrobinette.com/Drawing_Tube_Load_Lines.htm - lots of great stuff!
Speakers
- FE103En small reflex cabinets (drivers $50 ea)
- Minimus7Upgrade ideas for upgrade of Minimus-7 speakers (which I seem to have 3 pairs of)
- Speaker calculations