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raspberry_boards:raspberry_vga_board [2016/01/18 21:52] admin [Raspberry Pi VGA-Board] |
raspberry_boards:raspberry_vga_board [2020/06/11 22:13] 127.0.0.1 external edit |
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| A VGA 666 Hut for the Raspberry PI. It provides a VGA output over the GPIOs It's build wiht a resistor ladder - 6 resistors for each colour. And that's why it will use so many pins: GPIO Pins 2-21.\\ | A VGA 666 Hut for the Raspberry PI. It provides a VGA output over the GPIOs It's build wiht a resistor ladder - 6 resistors for each colour. And that's why it will use so many pins: GPIO Pins 2-21.\\ | ||
| The design of the adapter is based on Raspberry-Pi VGA Adapter of G.J. van Loo, it needs the same software like the original adapter:\\ | The design of the adapter is based on Raspberry-Pi VGA Adapter of G.J. van Loo, it needs the same software like the original adapter:\\ | ||
| - | [[https://github.com/fenlogic/vga666.git]] | + | [[https://github.com/fenlogic/vga666.git]]\\ |
| Front:\\ | Front:\\ | ||
| {{:raspberry_boards:vga-666_board_front_190730.jpg?200|}}\\ | {{:raspberry_boards:vga-666_board_front_190730.jpg?200|}}\\ | ||
| Line 24: | Line 24: | ||
| 3.{{:raspberry_boards:vga-socket_3.jpg?200|}} | 3.{{:raspberry_boards:vga-socket_3.jpg?200|}} | ||
| 4.{{:raspberry_boards:vga-socket_4.jpg?200|}}\\ | 4.{{:raspberry_boards:vga-socket_4.jpg?200|}}\\ | ||
| + | |||
| + | **Pin 9 has changed from key to +5V so it's best to remouve it!**\\ | ||
| + | [[https://en.wikipedia.org/wiki/VGA_connector]]\\ | ||
| ---- | ---- | ||
| Line 36: | Line 39: | ||
| ==== Parts ==== | ==== Parts ==== | ||
| - | **Resistors:** | + | * **Resistors:** |
| * 2x 120 Ohm | * 2x 120 Ohm | ||
| * 3x 500 Ohm | * 3x 500 Ohm | ||
| - | * 3x 1kOhm | + | * 4x 1kOhm |
| * 3x 2 kOhm | * 3x 2 kOhm | ||
| * 3x 4 kOhm | * 3x 4 kOhm | ||
| * 3x 8 kOhm | * 3x 8 kOhm | ||
| * 3x 16 kOhm | * 3x 16 kOhm | ||
| - | **Mechanical:** | + | * **Mechanical:** |
| * VGA connector | * VGA connector | ||
| * 1x connector 2x20pin | * 1x connector 2x20pin | ||
| + | * 1x buttons | ||
| ---- | ---- | ||
| ==== Installation ==== | ==== Installation ==== | ||
| - | [[https://github.com/fenlogic/vga666/tree/master/documents]] | + | <del>[[https://github.com/fenlogic/vga666/tree/master/documents]]\\ |
| - | $ sudo apt-get update | + | |
| download [[https://github.com/fenlogic/vga666/archive/master.zip]]\\ | download [[https://github.com/fenlogic/vga666/archive/master.zip]]\\ | ||
| unpack\\ | unpack\\ | ||
| - | copy dt-blob-dpi.bin to /boot/dt-blob.bin\\ | + | copy dt-blob-dpi.bin to /boot/dt-blob.bin\\</del> |
| + | |||
| + | [[http://blog.queststem.com/post/129339443931/quick-start-guide-gerts-passive-vga-adapter-666]]\\ | ||
| + | [[https://www.raspberrypi.org/forums/viewtopic.php?t=94424&f=91]]\\ | ||
| + | |||
| + | |||
| + | $ sudo apt-get update | ||
| + | $ sudo apt-get upgrade | ||
| In:\\ | In:\\ | ||
| $ sudo nano /boot/config.txt | $ sudo nano /boot/config.txt | ||
| add this:\\ | add this:\\ | ||
| - | enable_dpi_lcd=1\\ | + | dtoverlay=vga666 |
| - | display_default_lcd=1\\ | + | and this:\\ |
| + | enable_dpi_lcd=1 | ||
| + | display_default_lcd=1 | ||
| - | To change resolution to 1080p60\\\\ | + | Dont forget to add the resolution, too:\\ |
| - | dpi_group=2\\ | + | for 1080p60\\ |
| - | dpi_mode=82\\ | + | dpi_group=2 |
| + | dpi_mode=82 | ||
| - | and to 1024x768 60Hz\\ | + | for 1024x768 60Hz\\ |
| - | dpi_group=2\\ | + | dpi_group=2 |
| - | dpi_mode=16\\ | + | dpi_mode=16 |
| - | more video-modes for DMT and CEA on:\\ | + | ... more video-mode for DMT and CEA are on:\\ |
| [[https://www.raspberrypi.org/documentation/configuration/config-txt.md]]\\ | [[https://www.raspberrypi.org/documentation/configuration/config-txt.md]]\\ | ||
| + | |||
| + | Disable the SPI and I2C interfaces, otherwise VGA666 will not work correctly. Use the "Advanced Options" from raspi-config to disable SPI and I2C. | ||
| + | $ sudo raspi-config | ||
| + | |||
| + | **Install shutdown button**\\ | ||
| + | [[http://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:duino-pi_modification#install_shutdown_reset_button]] | ||
| + | |||
| + | **Install blinking LED**\\ | ||
| + | [[http://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:duino-pi_modification#install_blinking_led]]\\ | ||
| + | If necessary change in the blink file the GPIO pin number to 27.\\ | ||
| ---- | ---- | ||
| Line 80: | Line 104: | ||
| [[https://github.com/fenlogic/vga666]]\\ | [[https://github.com/fenlogic/vga666]]\\ | ||
| [[http://www.javiervalcarce.eu/html/vga-signal-format-timming-specs-en.html]]\\ | [[http://www.javiervalcarce.eu/html/vga-signal-format-timming-specs-en.html]]\\ | ||
| + | [[https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=93041&p=865630]]\\ | ||
| + | |||
| + | ---- | ||
| + | ==== License ==== | ||
| + | |||
| + | The Raspberry Pi VGA-Board was designed by **Wolfgang Spahn** 2014-19.\\ | ||
| + | It is licensed under a [[http://creativecommons.org/licenses/by-nc-sa/4.0/"|Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License]]. | ||
| + | |||
| + | <html> | ||
| + | <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a> | ||
| + | </html> | ||
| + | |||
| + | ---- | ||
| + | |||