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{{InfoboxEnglish | {{InfoboxEnglish | ||
|Jahr= | |Name=GEM | ||
|Pixel= | |Bild=Gem-01.jpg | ||
| | |Jahr= 2004 | ||
|Kontakt= [[User:StephanKambor|Stephan 'ST' Kambor]] | |Pixel= for 18x8 projects | ||
|Farben= 16 Grayscales | |||
|Kontakt= [[User:StephanKambor|Stephan 'ST' Kambor]], [[User:StefanSchuermans|Stefan Schürmans]] | |||
}} | }} | ||
With GEM it is possible to improve [[BlinkenLEDs]] based projects to greyscales. GEM is generating a 2KHz pulse, which is hooked up to the ACK Pin (Pin 10) of the parallel port. This hardware interrups will be interpretated by a Linux kernel module, which provides the greyscales that way. The BlinkenLEDs hardware doesn't need to be changed. A Windows version is not available and is not planned for the future. But if someone is fit in programming Windows kernel, we are looking forward to hear about an implemantation. [[LittleLights]] is running reliably since this conversion at the EasterHack 2004. | With GEM (Grayscale Enhancement Module) it is possible to improve [[BlinkenLEDs]] based projects to greyscales. GEM is generating a 2KHz pulse, which is hooked up to the ACK Pin (Pin 10) of the parallel port. This hardware interrups will be interpretated by a Linux kernel module, which provides the greyscales that way. The BlinkenLEDs hardware doesn't need to be changed. A Windows version is not available and is not planned for the future. But if someone is fit in programming Windows kernel, we are looking forward to hear about an implemantation. [[LittleLights]] is running reliably since this conversion at the EasterHack 2004. | ||
<gallery> | <gallery> | ||
Latest revision as of 00:20, 13 June 2010
project overview  | |
| |
| Year | 2004 |
| Number of pixels | for 18x8 projects |
| Grayscales / Colors | 16 Grayscales |
| Illuminant | |
| Power input | |
| Contact person | Stephan 'ST' Kambor, Stefan Schürmans |
| Project website | |
With GEM (Grayscale Enhancement Module) it is possible to improve BlinkenLEDs based projects to greyscales. GEM is generating a 2KHz pulse, which is hooked up to the ACK Pin (Pin 10) of the parallel port. This hardware interrups will be interpretated by a Linux kernel module, which provides the greyscales that way. The BlinkenLEDs hardware doesn't need to be changed. A Windows version is not available and is not planned for the future. But if someone is fit in programming Windows kernel, we are looking forward to hear about an implemantation. LittleLights is running reliably since this conversion at the EasterHack 2004.
GEM PCB rendering top
GEM PCB rendering bottom
GEM PCB
GEM Schematics
Because the LittleLights PCBs had names of Amiga Customchips (Agnus, Paula, Garry), the fourth board had to get a name from the Atari scene. GEM (Graphics Environment Manager) was the graphical user interface of the Atari operation system TOS.
- gem-eagle-1.0.zip - GEM Eagle files v. 1.0 [18 kB]
