Difference between revisions of "Turntable USB interface"
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I would like to retro-fit my 1970's pioneer turntable to be able to record onto a iPod or other USB device. | I would like to retro-fit my 1970's pioneer turntable to be able to record onto a iPod or other USB device. | ||
[[image:pioneer-turntable.jpg]] | [[image:pioneer-turntable.jpg]] | ||
| − | + | == Operation == | |
| − | =Operation= | ||
*Indicator light is off | *Indicator light is off | ||
*Plug in USB stick or iPod | *Plug in USB stick or iPod | ||
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*Indicator light goes out | *Indicator light goes out | ||
| − | =Systems= | + | == Systems == |
*Power supply | *Power supply | ||
*[http://www.rsnewzealand.com/cgi-bin/bv/rswww/searchBrowseAction.do?Nr=AND%28avl%3anz%2csearchDiscon_nz%3aN%29&Ntk=I18NAll&Nty=1&Ntt=bicolour%20led&Ntx=mode%20matchpartial&N=4294847647&name=SiteStandard&forwardingPage=line&R=2285720 Indicator LED] and bezel | *[http://www.rsnewzealand.com/cgi-bin/bv/rswww/searchBrowseAction.do?Nr=AND%28avl%3anz%2csearchDiscon_nz%3aN%29&Ntk=I18NAll&Nty=1&Ntt=bicolour%20led&Ntx=mode%20matchpartial&N=4294847647&name=SiteStandard&forwardingPage=line&R=2285720 Indicator LED] and bezel | ||
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*ICSP programmer required to ''completely'' rewrite the bootloader - [http://rocky.digikey.com/scripts/ProductInfo.dll?Site=US&V=313&M=ATAVRISP2 AVRISP mkII] | *ICSP programmer required to ''completely'' rewrite the bootloader - [http://rocky.digikey.com/scripts/ProductInfo.dll?Site=US&V=313&M=ATAVRISP2 AVRISP mkII] | ||
| − | =Microcontroller= | + | == Microcontroller == |
*[http://www.arduino.cc/en/Main/Buy Arduino NG] AVR microprocessor board | *[http://www.arduino.cc/en/Main/Buy Arduino NG] AVR microprocessor board | ||
*[http://ww1.microchip.com/downloads/en/devicedoc/40192c.pdf PIC16C505] | *[http://ww1.microchip.com/downloads/en/devicedoc/40192c.pdf PIC16C505] | ||
*[http://www.arduino.cc/en/Guide/Board Schematics] | *[http://www.arduino.cc/en/Guide/Board Schematics] | ||
| − | ==Features== | + | |
| + | === Features === | ||
*[http://www.atmel.com/dyn/resources/prod_documents/doc2545.pdf ATmega168 AVR processor] | *[http://www.atmel.com/dyn/resources/prod_documents/doc2545.pdf ATmega168 AVR processor] | ||
*Digital <-> Analogue converter | *Digital <-> Analogue converter | ||
| Line 40: | Line 39: | ||
*[http://www.hynet.umd.edu/research/atemu/ AVR emulator] | *[http://www.hynet.umd.edu/research/atemu/ AVR emulator] | ||
*[http://download.savannah.gnu.org/releases/avr-libc/avr-libc-user-manual-1.4.4.pdf AVR libC] | *[http://download.savannah.gnu.org/releases/avr-libc/avr-libc-user-manual-1.4.4.pdf AVR libC] | ||
| − | ==Board== | + | |
| + | === Board === | ||
*78MO5 voltage regulator | *78MO5 voltage regulator | ||
*[http://www.ftdichip.com/Products/FT232R.htm FT232R] USB to serial driver | *[http://www.ftdichip.com/Products/FT232R.htm FT232R] USB to serial driver | ||
| Line 46: | Line 46: | ||
*USB D-type connector | *USB D-type connector | ||
| − | =Operating system= | + | == Operating system == |
*[http://www.obdev.at/developers/articles/00003.html Implementing USB 1.1 in AVR assember] | *[http://www.obdev.at/developers/articles/00003.html Implementing USB 1.1 in AVR assember] | ||
*[http://www.arduino.cc/en/Main/Software gcc, libc] supplied and open source | *[http://www.arduino.cc/en/Main/Software gcc, libc] supplied and open source | ||
| Line 57: | Line 57: | ||
*[http://www.thesycon.de/eng/tumlib.shtml USB Mass Storage host driver stack] | *[http://www.thesycon.de/eng/tumlib.shtml USB Mass Storage host driver stack] | ||
| − | = | + | == See also == |
*[http://savannah.gnu.org/search/?words=avr&type_of_search=soft&Search=Search&exact=1#options Lots of GNU tools for AVR] | *[http://savannah.gnu.org/search/?words=avr&type_of_search=soft&Search=Search&exact=1#options Lots of GNU tools for AVR] | ||
*[http://wiring.org.co/learning/tutorials/diagrams.html AVR diagrams] (good) | *[http://wiring.org.co/learning/tutorials/diagrams.html AVR diagrams] (good) | ||
| Line 63: | Line 63: | ||
*[http://www.hynet.umd.edu/research/atemu/downloads.html Good links and downloads] for emulators, libc... | *[http://www.hynet.umd.edu/research/atemu/downloads.html Good links and downloads] for emulators, libc... | ||
*[http://blackfin.uclinux.org/gf/project/bf1/wiki/ Blackfin] | *[http://blackfin.uclinux.org/gf/project/bf1/wiki/ Blackfin] | ||
| + | [[Category:Hardware]][[Category:Old Projects]] | ||
Latest revision as of 10:20, 10 January 2009
I would like to retro-fit my 1970's pioneer turntable to be able to record onto a iPod or other USB device.
Contents
Operation
- Indicator light is off
- Plug in USB stick or iPod
- Indicator light is green to indicate all is well - iPod or memory stick is detected
- Place stylus on a chosen track
- Press button
- Indicator light is red for record
- You will also see the activity light on the USB device light
- Sound file is written onto the device in WAV/AIFF format
- Press button
- Recording stops and file is closed
- Indicator light is green
- You can press the button to begin recording again to a new file
- Unplug device (only when light is green - your risk if you unplug on red)
- Indicator light goes out
Systems
- Power supply
- Indicator LED and bezel
- plug pack 12V 100mA
- Split from it's case and wired in parallel on the AC side of the turntable's main transformer
- Analogue phono stage (requires ±12V DC)
- to be build on veroboard
- ICSP programmer required to completely rewrite the bootloader - AVRISP mkII
Microcontroller
- Arduino NG AVR microprocessor board
- PIC16C505
- Schematics
Features
- ATmega168 AVR processor
- Digital <-> Analogue converter
- C library and compiler supplied as open source
- AVR emulator
- AVR libC
Board
- 78MO5 voltage regulator
- FT232R USB to serial driver
- S16B0016 clock
- USB D-type connector
Operating system
- Implementing USB 1.1 in AVR assember
- gcc, libc supplied and open source
- No real operating system required
- svn tree
- bootloader supplied and open source
- libipod [tar] program to modify iPod's XML playlist file to add the newly created track to the playlist
- ContikiOS
- USB mass storage device class - fat
- USB Mass Storage host driver stack
See also
- Lots of GNU tools for AVR
- AVR diagrams (good)
- Custom power supply project
- Good links and downloads for emulators, libc...
- Blackfin
