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{{Project | {{Project | ||
|ProjectSkills=soldering | |ProjectSkills=soldering | ||
|ProjectStatus=Getting parts | |ProjectStatus=Getting parts | ||
|ProjectNiche=Electronics | |ProjectNiche=Electronics | ||
|ProjectPurpose=Fun | |ProjectPurpose=Fun | ||
|ProjectParticipants=User:The_Niz | |||
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= Introduction = | = Introduction = | ||
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* Information on the display: [http://serdisplib.sourceforge.net/ser/pcd8544.html serdisplib] | * Information on the display: [http://serdisplib.sourceforge.net/ser/pcd8544.html serdisplib] | ||
The one I've got is a 'type 2'. | The one I've got is a 'type 2'. | ||
* Connecting the display to a Raspberry Pi: [http://binerry.de/post/25787954149/pcd8544-library-for-raspberry-pi] | |||
== Cabling == | == Cabling == |
Revision as of 14:39, 12 November 2012
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Participants | Dennis |
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{{{Name}}}Property "Tool Name" (as page type) with input value "{{{Name}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. Property "Tool Image" (as page type) with input value "File:{{{Picture}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. {{{Picture}}} {{#if:{{{Tool}}} | [[Tool Owner::User:The_Niz | }} {{#if:{{{Tool}}} | [[Tool Cost::{{{Cost}}} | }}
Introduction
With some lenses, an old LCD from a mobile phone, a bright LED and some driving electronics it should be viable to build a device capable of projecting stuff on your wall. Note: The dutch pseudo-anglicism "beamer" means video projector.
Info gathering
- Some example project by someone else; is here
- Information on the display: serdisplib
The one I've got is a 'type 2'.
- Connecting the display to a Raspberry Pi: [1]
Cabling
I could'n find a male DB25 connector so I checked whether a cable I had lying around would be useful.
Male-male DB25 (LapLink Cable?)
PCPARPORT | OTHEREND |
---|---|
PIN2=D0 | PIN15 |
PIN3=D1 | PIN13 |
PIN4=D2 | PIN12 |
PIN7=D5 | NC |
PIN9=D7 | NC |
- PCPARPORT = parallel port found on standard pc, http://edge.kitiyo.com/2009/pc-interface-logic/parallel-pc-interface-unit.html
- OTHEREND = other end of cable (standard LapLink??? http://en.wikipedia.org/wiki/LapLink_cable)
Since PIN7 is not connected this isn't going to work :(
Parallel floppy cable
Next candidate was a short cable normally used to connect the floppy drive of an Olivetti Echos Pentium 1 laptop. Again: some pins that I needed weren't connected.
Parallel printer cable
This one looks promising according to http://www.lammertbies.nl/comm/cable/parallel.html I don't own the connector that fits the 36 pins Centronics connector so I'll cut up the cable and connect the wires directly to the resistors.