Main.UsbIkeaDioder History
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According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
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According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
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!! Images
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!! Images
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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This page describes an AVR-based USB controller for the nice IKEA DIODER LED strip. The original controller has a single button to choose one of seven colors or to cycle through all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for the brightness of each color component. USB support is kindly provided by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrollers]] project.
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Get an IKEA DIODER from the next IKEA - sadly, they don't offer to ship them.
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[[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller.
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[[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller.
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Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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Then, on a breadboard, build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 12-22 pF capacitors (we didn't have caps at home but luckily, the our circuit works even without them - better use them).
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Then, on a breadboard, build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 12-22 pF capacitors (we didn't have caps at home but luckily, the our circuit works even without them - better use them).
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The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
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The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
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For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]], but did not connect the USB-VCC as the AVR is already powered by the DIODER power supply.
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For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]], but did not connect the USB-VCC as the AVR is already powered by the DIODER power supply.
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!! Software
The firmware for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
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The
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[[http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip | ATmega8 firmware and command line tool]]
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[[http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip | ATmega8 firmware and command line tool]]
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!! Images
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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!! Images
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center%'''Modified DIODER PCB and new USB controller'''
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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%center%'''Final box'''
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!! Software
The firmware for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
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[[http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip | ATmega8 firmware and command line tool]]
!! Usage
After being controllable via USB, the next step is to integrate it with an media player to provide an Ambilight (tm) effect for our projector.
The [[http://www.vdr-wiki.de/wiki/index.php/Atmo-plugin |German VDR Project]] already support similar devices, someone also posted the [[http://www.vdr-portal.de/board/thread.php?postid=832820 |sources for a xine post plugin]].
According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
!! Images
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center%'''Modified DIODER PCB and new USB controller'''
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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The firmware for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
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%center%'''Final box'''
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!! Usage
After being controllable via USB, the next step is to integrate it with an media player to provide an Ambilight (tm) effect for our projector.
The [[http://www.vdr-wiki.de/wiki/index.php/Atmo-plugin |German VDR Project]] already support similar devices, someone also posted the [[http://www.vdr-portal.de/board/thread.php?postid=832820 |sources for a xine post plugin]].
According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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!! Future
After being controllable via USB, the next step is to integrate it
After being controllable via USB, the next step is to integrate it
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!! Usage
After being controllable via USB, the next step is to integrate it with an media player to provide an Ambilight (tm) effect for our projector.
The [[http://www.vdr-wiki.de/wiki/index.php/Atmo-plugin |German VDR Project]] already support similar devices, someone also posted the [[http://www.vdr-portal.de/board/thread.php?postid=832820 |sources for a xine post plugin]].
According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
After being controllable via USB, the next step is to integrate it with an media player to provide an Ambilight (tm) effect for our projector.
The [[http://www.vdr-wiki.de/wiki/index.php/Atmo-plugin |German VDR Project]] already support similar devices, someone also posted the [[http://www.vdr-portal.de/board/thread.php?postid=832820 |sources for a xine post plugin]].
According to the [[http://www.vdr-wiki.de/wiki/index.php/AtmoWin | AtmoWin Wiki entry]], there's also support for Atmolights in VLC.
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This page describes an AVR-based USB controller for the nice IKEA DIODER LED strip. The original controller has a single button to choose one of seven colors or to cycle through all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for the brightness of each color component. USB support is kindly provided by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrollers]] project.
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!! Hardware
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!! Instructions
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Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
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Then, on a breadboard, build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 12-22 pF capacitors (we didn't have caps at home but luckily, the our circuit works even without them - better use them).
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The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
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For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]], but did not connect the USB-VCC as the AVR is already powered by the DIODER power supply.
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
\\
%center%'''Modified DIODER PCB and new USB controller'''
\\
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
\\
%center%'''Modified DIODER PCB and new USB controller'''
\\
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
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Get an IKEA DIODER from the next IKEA - sadly, they don't offer to ship them. [[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller. Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
to:
Get an IKEA DIODER from the next IKEA - sadly, they don't offer to ship them.
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[[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller.
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Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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to:
Then, on a breadboard, build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 12-22 pF capacitors (we didn't have caps at home but luckily, the our circuit works even without them - better use them).
Added lines 22-23:
The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
Changed line 26 from:
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For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]], but did not connect the USB-VCC as the AVR is already powered by the DIODER power supply.
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center%'''Final box'''
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%center%'''Modified DIODER PCB and new USB controller'''
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
\\
%center%'''Final box'''
\\
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Get an IKEA DIODER from the next IKEA - sadly, they don't offer to ship them. [[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller. Remove the microcontroller in the upper left with a side-cutter to protect the PCB and clean up remaining pieces with the soldering iron.
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Then, on a breadboard, we've build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 capacitors.
to:
Then, on a breadboard, build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 12-22 pF capacitors (we didn't have caps at home but luckily, the our circuit works even without them - better use them).
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The three control lines for the LEDs are connected to PB1-3
as the ATmega8 provides three independent PWM outputs on these pins. On our board, the place for voltage-regulator was not used, which allowed to power the ATmega8 from there with 5V.
Forthe USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]].
For
to:
The three control lines for the LEDs are connected to PB1-3 as the ATmega8 provides three independent PWM outputs on these pins. On the board, the voltage regulator capacitor C2 is not populate, which makes for a nice 5V power source for the ATmega8.
Added lines 19-20:
For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]], but did not connect the USB-VCC as the AVR is already powered by the DIODER power supply.
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
\\
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We've got an IKEA DIODER from our favorite IKEA store - they did not offer to ship it. [[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller. We removed the microcontroller in the upper left with a side-cutter to protect the PCB.
to:
We've got an IKEA DIODER from the next IKEA - sadly, they don't offer to ship them. [[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller. We removed the microcontroller in the upper left with a side-cutter to protect the PCB.
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This page describes an AVR-based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle through all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for the each color component. USB support is provided by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrollers]] project.
to:
This page describes an AVR-based USB controller for the nice IKEA DIODER LED strip. The original controller has a single button to choose one of seven colors or to cycle through all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for the brightness of each color component. USB support is kindly provided by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrollers]] project.
Changed line 6 from:
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrolers project]].
to:
This page describes an AVR-based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle through all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for the each color component. USB support is provided by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrollers]] project.
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!! Future
After being controllable via USB, the next step is to integrate it
After being controllable via USB, the next step is to integrate it
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
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%center%'''Final box'''
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%center%'''Modified DIODER PCB and new USB controller'''
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%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
\\
%center%'''Final box'''
\\
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The code for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
to:
The firmware for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
Changed lines 7-26 from:
to:
We've got an IKEA DIODER from our favorite IKEA store - they did not offer to ship it. [[http://www.flickr.com/photos/micahdowty/2949987066/ | This flickr page ]] describes the innards of the original controller. We removed the microcontroller in the upper left with a side-cutter to protect the PCB.
Then, on a breadboard, we've build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 capacitors.
The three control lines for the LEDs are connected to PB1-3
as the ATmega8 provides three independent PWM outputs on these pins. On our board, the place for voltage-regulator was not used, which allowed to power the ATmega8 from there with 5V.
For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]].
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
\\
%center%'''Modified DIODER PCB and new USB controller'''
\\
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
Then, on a breadboard, we've build up a basic ATmega8 circuit using the AVR, a 12 Mhz crystal and 2 capacitors.
The three control lines for the LEDs are connected to PB1-3
as the ATmega8 provides three independent PWM outputs on these pins. On our board, the place for voltage-regulator was not used, which allowed to power the ATmega8 from there with 5V.
For the USB connection, we followed the [[http://vusb.wikidot.com/hardware |3.7V Z-Diode approach]].
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-1.jpg
\\
%center%'''Modified DIODER PCB and new USB controller'''
\\
%center% http://electronics.ringwald.ch/img/USB-IKEA-DIODER-2.jpg
\\
%center%'''Final box'''
\\
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==
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [http://www.obdev.at/products/vusb/index.html Virtual USB-port for AVR microcontrolers project].
to:
! USB IKEA DIODER RGB LED Controller
!! Overview
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrolers project]].
!! Overview
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [[http://www.obdev.at/products/vusb/index.html | Virtual USB-port for AVR microcontrolers project]].
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== Software ==
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!! Hardware
!! Software
!! Software
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[[http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip | ATmega8 firmware and command line tool]]
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= USB IKEA DIODER RGB LED Controller =
== Overview ==
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [http://www.obdev.at/products/vusb/index.html Virtual USB-port for AVR microcontrolers project].
== Hardware ==
== Software ==
The code for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
: [http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip ATmega8 firmware and command line tool]
== Overview ==
This page describes an AVR based USB controller for the nice IKEA DIODER LED strip. The original controller only allows to select one of seven colors and to cycle to all of them at full brightness. The new controller is controlled via USB and supports 8-bit resolution for each color. USB support is provieded by the ingenious [http://www.obdev.at/products/vusb/index.html Virtual USB-port for AVR microcontrolers project].
== Hardware ==
== Software ==
The code for the ATmega is based on the hid-data example for V-USB. The main "challenge" was to figure out how the 3 PWM channels are controlled properly. See PWM_enable() and settingsUpdated() for this detail.
: [http://electronics.ringwald.ch/files/USB-IKEA-DIODER-v1.0.zip ATmega8 firmware and command line tool]