added GertVGA-666 based on francesco-vannini's submission
This commit is contained in:
parent
885f56133e
commit
c348f8f69b
BIN
resources/boards/gertvga-666.png
Normal file
BIN
resources/boards/gertvga-666.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 51 KiB |
@ -137,3 +137,4 @@ overlays:
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- unicorn-hat-hd
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- unicorn-hat-hd
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- voice-hat
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- voice-hat
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- inkyphat
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- inkyphat
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- gertvga-666
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||||||
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74
src/de/translate/gertvga-666.md
Normal file
74
src/de/translate/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
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|
<!--
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||||||
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---
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||||||
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name: GertVGA 666
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class: board
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||||||
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type: other
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||||||
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formfactor: Custom
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||||||
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manufacturer: Pi Supply
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||||||
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description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
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url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
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github: https://github.com/PiSupply/Gert-VGA-666
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schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
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buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
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image: 'gertvga-666.png'
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pincount: 40
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||||||
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eeprom: no
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||||||
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power:
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'1':
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'2':
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ground:
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'6':
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'9':
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'14':
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'20':
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'25':
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'30':
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'34':
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'39':
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pin:
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||||||
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'3':
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name: V-SYNC
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||||||
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'5':
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||||||
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name: H-SYNC
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||||||
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'7':
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||||||
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name: Blue 2
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'8':
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||||||
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name: Green 6
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'10':
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||||||
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name: Green 7
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'11':
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name: Red 3
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'12':
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name: Red 4
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'19':
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||||||
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name: Green 2
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'21':
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name: Blue 7
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'23':
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name: Green 3
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||||||
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'24':
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name: Blue 6
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'26':
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name: Blue 5
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'29':
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name: Blue 3
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'31':
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name: Blue 4
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'32':
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name: Green 4
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'33':
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name: Green 5
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'35':
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name: Red 5
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'36':
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name: Red 2
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'38':
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name: Red 6
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'40':
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name: Red 7
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-->
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||||||
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# GertVGA 666
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The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
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|
|
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|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
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@ -31,8 +31,18 @@ Alternatively you can enable the one-wire interface on demand using raspi-config
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sudo modprobe w1-gpio
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sudo modprobe w1-gpio
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```
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```
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once either of the steps above has been performed, you can list the devices your Raspberry Pi can probe via (by default) BCM4, like so:
|
Newer kernels (4.9.28 and later) allow you to use dynamic overlay loading instead, including creating multiple 1-Wire busses to be used at the same time:
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```
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sudo dtoverlay w1-gpio gpiopin=4 pullup=0 # header pin 7
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sudo dtoverlay w1-gpio gpiopin=17 pullup=0 # header pin 11
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sudo dtoverlay w1-gpio gpiopin=27 pullup=0 # header pin 13
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```
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once any of the steps above have been performed, and discovery is complete you can list the devices that your Raspberry Pi has discovered via all 1-Wire busses (by default BCM4), like so:
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|
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```
|
```
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ls /sys/bus/w1/devices/
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ls /sys/bus/w1/devices/
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```
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```
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n.b. Using w1-gpio on the Raspberry Pi typically needs a 4.7 kΩ pull-up resistor connected between the GPIO pin and a 3.3v supply (e.g. header pin 1 or 17). Other means of connecting 1-Wire devices to the Raspberry Pi are also possible, such as using i2c to 1-Wire bridge chips.
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|
74
src/en/overlay/gertvga-666.md
Normal file
74
src/en/overlay/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
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|||||||
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<!--
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||||||
|
---
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name: GertVGA 666
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class: board
|
||||||
|
type: other
|
||||||
|
formfactor: Custom
|
||||||
|
manufacturer: Pi Supply
|
||||||
|
description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
|
||||||
|
url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
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github: https://github.com/PiSupply/Gert-VGA-666
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schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
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buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
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image: 'gertvga-666.png'
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pincount: 40
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eeprom: no
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power:
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||||||
|
'1':
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'2':
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|
ground:
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'6':
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'9':
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'14':
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'20':
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'25':
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'30':
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'34':
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'39':
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pin:
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|
'3':
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|
name: V-SYNC
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|
'5':
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|
name: H-SYNC
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||||||
|
'7':
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||||||
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name: Blue 2
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||||||
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'8':
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||||||
|
name: Green 6
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|
'10':
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|
name: Green 7
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|
'11':
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||||||
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name: Red 3
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'12':
|
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|
name: Red 4
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|
'19':
|
||||||
|
name: Green 2
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||||||
|
'21':
|
||||||
|
name: Blue 7
|
||||||
|
'23':
|
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name: Green 3
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||||||
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'24':
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||||||
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name: Blue 6
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||||||
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'26':
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|
name: Blue 5
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'29':
|
||||||
|
name: Blue 3
|
||||||
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'31':
|
||||||
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name: Blue 4
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|
'32':
|
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|
name: Green 4
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'33':
|
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name: Green 5
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'35':
|
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name: Red 5
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'36':
|
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|
name: Red 2
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|
'38':
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|
name: Red 6
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'40':
|
||||||
|
name: Red 7
|
||||||
|
-->
|
||||||
|
# GertVGA 666
|
||||||
|
|
||||||
|
The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
||||||
|
|
||||||
|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
|
@ -136,3 +136,4 @@ overlays:
|
|||||||
- zero-lipo
|
- zero-lipo
|
||||||
- zeroseg
|
- zeroseg
|
||||||
- inkyphat
|
- inkyphat
|
||||||
|
- gertvga-666
|
||||||
|
@ -137,3 +137,4 @@ overlays:
|
|||||||
- unicorn-hat-hd
|
- unicorn-hat-hd
|
||||||
- voice-hat
|
- voice-hat
|
||||||
- inkyphat
|
- inkyphat
|
||||||
|
- gertvga-666
|
||||||
|
74
src/es/translate/gertvga-666.md
Normal file
74
src/es/translate/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
|
|||||||
|
<!--
|
||||||
|
---
|
||||||
|
name: GertVGA 666
|
||||||
|
class: board
|
||||||
|
type: other
|
||||||
|
formfactor: Custom
|
||||||
|
manufacturer: Pi Supply
|
||||||
|
description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
|
||||||
|
url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
|
||||||
|
github: https://github.com/PiSupply/Gert-VGA-666
|
||||||
|
schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
|
||||||
|
buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
|
||||||
|
image: 'gertvga-666.png'
|
||||||
|
pincount: 40
|
||||||
|
eeprom: no
|
||||||
|
power:
|
||||||
|
'1':
|
||||||
|
'2':
|
||||||
|
ground:
|
||||||
|
'6':
|
||||||
|
'9':
|
||||||
|
'14':
|
||||||
|
'20':
|
||||||
|
'25':
|
||||||
|
'30':
|
||||||
|
'34':
|
||||||
|
'39':
|
||||||
|
pin:
|
||||||
|
'3':
|
||||||
|
name: V-SYNC
|
||||||
|
'5':
|
||||||
|
name: H-SYNC
|
||||||
|
'7':
|
||||||
|
name: Blue 2
|
||||||
|
'8':
|
||||||
|
name: Green 6
|
||||||
|
'10':
|
||||||
|
name: Green 7
|
||||||
|
'11':
|
||||||
|
name: Red 3
|
||||||
|
'12':
|
||||||
|
name: Red 4
|
||||||
|
'19':
|
||||||
|
name: Green 2
|
||||||
|
'21':
|
||||||
|
name: Blue 7
|
||||||
|
'23':
|
||||||
|
name: Green 3
|
||||||
|
'24':
|
||||||
|
name: Blue 6
|
||||||
|
'26':
|
||||||
|
name: Blue 5
|
||||||
|
'29':
|
||||||
|
name: Blue 3
|
||||||
|
'31':
|
||||||
|
name: Blue 4
|
||||||
|
'32':
|
||||||
|
name: Green 4
|
||||||
|
'33':
|
||||||
|
name: Green 5
|
||||||
|
'35':
|
||||||
|
name: Red 5
|
||||||
|
'36':
|
||||||
|
name: Red 2
|
||||||
|
'38':
|
||||||
|
name: Red 6
|
||||||
|
'40':
|
||||||
|
name: Red 7
|
||||||
|
-->
|
||||||
|
# GertVGA 666
|
||||||
|
|
||||||
|
The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
||||||
|
|
||||||
|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
|
@ -137,3 +137,4 @@ overlays:
|
|||||||
- unicorn-hat-hd
|
- unicorn-hat-hd
|
||||||
- voice-hat
|
- voice-hat
|
||||||
- inkyphat
|
- inkyphat
|
||||||
|
- gertvga-666
|
||||||
|
74
src/fr/translate/gertvga-666.md
Normal file
74
src/fr/translate/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
|
|||||||
|
<!--
|
||||||
|
---
|
||||||
|
name: GertVGA 666
|
||||||
|
class: board
|
||||||
|
type: other
|
||||||
|
formfactor: Custom
|
||||||
|
manufacturer: Pi Supply
|
||||||
|
description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
|
||||||
|
url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
|
||||||
|
github: https://github.com/PiSupply/Gert-VGA-666
|
||||||
|
schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
|
||||||
|
buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
|
||||||
|
image: 'gertvga-666.png'
|
||||||
|
pincount: 40
|
||||||
|
eeprom: no
|
||||||
|
power:
|
||||||
|
'1':
|
||||||
|
'2':
|
||||||
|
ground:
|
||||||
|
'6':
|
||||||
|
'9':
|
||||||
|
'14':
|
||||||
|
'20':
|
||||||
|
'25':
|
||||||
|
'30':
|
||||||
|
'34':
|
||||||
|
'39':
|
||||||
|
pin:
|
||||||
|
'3':
|
||||||
|
name: V-SYNC
|
||||||
|
'5':
|
||||||
|
name: H-SYNC
|
||||||
|
'7':
|
||||||
|
name: Blue 2
|
||||||
|
'8':
|
||||||
|
name: Green 6
|
||||||
|
'10':
|
||||||
|
name: Green 7
|
||||||
|
'11':
|
||||||
|
name: Red 3
|
||||||
|
'12':
|
||||||
|
name: Red 4
|
||||||
|
'19':
|
||||||
|
name: Green 2
|
||||||
|
'21':
|
||||||
|
name: Blue 7
|
||||||
|
'23':
|
||||||
|
name: Green 3
|
||||||
|
'24':
|
||||||
|
name: Blue 6
|
||||||
|
'26':
|
||||||
|
name: Blue 5
|
||||||
|
'29':
|
||||||
|
name: Blue 3
|
||||||
|
'31':
|
||||||
|
name: Blue 4
|
||||||
|
'32':
|
||||||
|
name: Green 4
|
||||||
|
'33':
|
||||||
|
name: Green 5
|
||||||
|
'35':
|
||||||
|
name: Red 5
|
||||||
|
'36':
|
||||||
|
name: Red 2
|
||||||
|
'38':
|
||||||
|
name: Red 6
|
||||||
|
'40':
|
||||||
|
name: Red 7
|
||||||
|
-->
|
||||||
|
# GertVGA 666
|
||||||
|
|
||||||
|
The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
||||||
|
|
||||||
|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
|
@ -31,8 +31,18 @@ Alternatively you can enable the one-wire interface on demand using raspi-config
|
|||||||
sudo modprobe w1-gpio
|
sudo modprobe w1-gpio
|
||||||
```
|
```
|
||||||
|
|
||||||
once either of the steps above has been performed, you can list the devices your Raspberry Pi can probe via (by default) BCM4, like so:
|
Newer kernels (4.9.28 and later) allow you to use dynamic overlay loading instead, including creating multiple 1-Wire busses to be used at the same time:
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=4 pullup=0 # header pin 7
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=17 pullup=0 # header pin 11
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=27 pullup=0 # header pin 13
|
||||||
|
```
|
||||||
|
|
||||||
|
once any of the steps above have been performed, and discovery is complete you can list the devices that your Raspberry Pi has discovered via all 1-Wire busses (by default BCM4), like so:
|
||||||
|
|
||||||
```
|
```
|
||||||
ls /sys/bus/w1/devices/
|
ls /sys/bus/w1/devices/
|
||||||
```
|
```
|
||||||
|
|
||||||
|
n.b. Using w1-gpio on the Raspberry Pi typically needs a 4.7 kΩ pull-up resistor connected between the GPIO pin and a 3.3v supply (e.g. header pin 1 or 17). Other means of connecting 1-Wire devices to the Raspberry Pi are also possible, such as using i2c to 1-Wire bridge chips.
|
||||||
|
@ -137,3 +137,4 @@ overlays:
|
|||||||
- unicorn-hat-hd
|
- unicorn-hat-hd
|
||||||
- voice-hat
|
- voice-hat
|
||||||
- inkyphat
|
- inkyphat
|
||||||
|
- gertvga-666
|
||||||
|
74
src/it/translate/gertvga-666.md
Normal file
74
src/it/translate/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
|
|||||||
|
<!--
|
||||||
|
---
|
||||||
|
name: GertVGA 666
|
||||||
|
class: board
|
||||||
|
type: other
|
||||||
|
formfactor: Custom
|
||||||
|
manufacturer: Pi Supply
|
||||||
|
description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
|
||||||
|
url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
|
||||||
|
github: https://github.com/PiSupply/Gert-VGA-666
|
||||||
|
schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
|
||||||
|
buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
|
||||||
|
image: 'gertvga-666.png'
|
||||||
|
pincount: 40
|
||||||
|
eeprom: no
|
||||||
|
power:
|
||||||
|
'1':
|
||||||
|
'2':
|
||||||
|
ground:
|
||||||
|
'6':
|
||||||
|
'9':
|
||||||
|
'14':
|
||||||
|
'20':
|
||||||
|
'25':
|
||||||
|
'30':
|
||||||
|
'34':
|
||||||
|
'39':
|
||||||
|
pin:
|
||||||
|
'3':
|
||||||
|
name: V-SYNC
|
||||||
|
'5':
|
||||||
|
name: H-SYNC
|
||||||
|
'7':
|
||||||
|
name: Blue 2
|
||||||
|
'8':
|
||||||
|
name: Green 6
|
||||||
|
'10':
|
||||||
|
name: Green 7
|
||||||
|
'11':
|
||||||
|
name: Red 3
|
||||||
|
'12':
|
||||||
|
name: Red 4
|
||||||
|
'19':
|
||||||
|
name: Green 2
|
||||||
|
'21':
|
||||||
|
name: Blue 7
|
||||||
|
'23':
|
||||||
|
name: Green 3
|
||||||
|
'24':
|
||||||
|
name: Blue 6
|
||||||
|
'26':
|
||||||
|
name: Blue 5
|
||||||
|
'29':
|
||||||
|
name: Blue 3
|
||||||
|
'31':
|
||||||
|
name: Blue 4
|
||||||
|
'32':
|
||||||
|
name: Green 4
|
||||||
|
'33':
|
||||||
|
name: Green 5
|
||||||
|
'35':
|
||||||
|
name: Red 5
|
||||||
|
'36':
|
||||||
|
name: Red 2
|
||||||
|
'38':
|
||||||
|
name: Red 6
|
||||||
|
'40':
|
||||||
|
name: Red 7
|
||||||
|
-->
|
||||||
|
# GertVGA 666
|
||||||
|
|
||||||
|
The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
||||||
|
|
||||||
|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
|
@ -31,8 +31,18 @@ Alternatively you can enable the one-wire interface on demand using raspi-config
|
|||||||
sudo modprobe w1-gpio
|
sudo modprobe w1-gpio
|
||||||
```
|
```
|
||||||
|
|
||||||
once either of the steps above has been performed, you can list the devices your Raspberry Pi can probe via (by default) BCM4, like so:
|
Newer kernels (4.9.28 and later) allow you to use dynamic overlay loading instead, including creating multiple 1-Wire busses to be used at the same time:
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=4 pullup=0 # header pin 7
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=17 pullup=0 # header pin 11
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=27 pullup=0 # header pin 13
|
||||||
|
```
|
||||||
|
|
||||||
|
once any of the steps above have been performed, and discovery is complete you can list the devices that your Raspberry Pi has discovered via all 1-Wire busses (by default BCM4), like so:
|
||||||
|
|
||||||
```
|
```
|
||||||
ls /sys/bus/w1/devices/
|
ls /sys/bus/w1/devices/
|
||||||
```
|
```
|
||||||
|
|
||||||
|
n.b. Using w1-gpio on the Raspberry Pi typically needs a 4.7 kΩ pull-up resistor connected between the GPIO pin and a 3.3v supply (e.g. header pin 1 or 17). Other means of connecting 1-Wire devices to the Raspberry Pi are also possible, such as using i2c to 1-Wire bridge chips.
|
||||||
|
@ -137,3 +137,4 @@ overlays:
|
|||||||
- unicorn-hat-hd
|
- unicorn-hat-hd
|
||||||
- voice-hat
|
- voice-hat
|
||||||
- inkyphat
|
- inkyphat
|
||||||
|
- gertvga-666
|
||||||
|
74
src/tr/translate/gertvga-666.md
Normal file
74
src/tr/translate/gertvga-666.md
Normal file
@ -0,0 +1,74 @@
|
|||||||
|
<!--
|
||||||
|
---
|
||||||
|
name: GertVGA 666
|
||||||
|
class: board
|
||||||
|
type: other
|
||||||
|
formfactor: Custom
|
||||||
|
manufacturer: Pi Supply
|
||||||
|
description: The Gert VGA 666 is a breakout/add on board for the Raspberry Pi for using a VGA monitor.
|
||||||
|
url: https://www.kickstarter.com/projects/pisupply/gert-vga-666-kit-hardware-vga-for-raspberry-pi
|
||||||
|
github: https://github.com/PiSupply/Gert-VGA-666
|
||||||
|
schematic: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
|
||||||
|
buy: https://www.pi-supply.com/product/gert-vga-666-hardware-vga-raspberry-pi/
|
||||||
|
image: 'gertvga-666.png'
|
||||||
|
pincount: 40
|
||||||
|
eeprom: no
|
||||||
|
power:
|
||||||
|
'1':
|
||||||
|
'2':
|
||||||
|
ground:
|
||||||
|
'6':
|
||||||
|
'9':
|
||||||
|
'14':
|
||||||
|
'20':
|
||||||
|
'25':
|
||||||
|
'30':
|
||||||
|
'34':
|
||||||
|
'39':
|
||||||
|
pin:
|
||||||
|
'3':
|
||||||
|
name: V-SYNC
|
||||||
|
'5':
|
||||||
|
name: H-SYNC
|
||||||
|
'7':
|
||||||
|
name: Blue 2
|
||||||
|
'8':
|
||||||
|
name: Green 6
|
||||||
|
'10':
|
||||||
|
name: Green 7
|
||||||
|
'11':
|
||||||
|
name: Red 3
|
||||||
|
'12':
|
||||||
|
name: Red 4
|
||||||
|
'19':
|
||||||
|
name: Green 2
|
||||||
|
'21':
|
||||||
|
name: Blue 7
|
||||||
|
'23':
|
||||||
|
name: Green 3
|
||||||
|
'24':
|
||||||
|
name: Blue 6
|
||||||
|
'26':
|
||||||
|
name: Blue 5
|
||||||
|
'29':
|
||||||
|
name: Blue 3
|
||||||
|
'31':
|
||||||
|
name: Blue 4
|
||||||
|
'32':
|
||||||
|
name: Green 4
|
||||||
|
'33':
|
||||||
|
name: Green 5
|
||||||
|
'35':
|
||||||
|
name: Red 5
|
||||||
|
'36':
|
||||||
|
name: Red 2
|
||||||
|
'38':
|
||||||
|
name: Red 6
|
||||||
|
'40':
|
||||||
|
name: Red 7
|
||||||
|
-->
|
||||||
|
# GertVGA 666
|
||||||
|
|
||||||
|
The Gert VGA 666 (6 bits per colour channel, hence 666) is a breakout/add on board for the Raspberry Pi. It is an open source hardware design released publicly by Gert van Loo.
|
||||||
|
|
||||||
|
It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load.
|
@ -31,8 +31,18 @@ Alternatively you can enable the one-wire interface on demand using raspi-config
|
|||||||
sudo modprobe w1-gpio
|
sudo modprobe w1-gpio
|
||||||
```
|
```
|
||||||
|
|
||||||
once either of the steps above has been performed, you can list the devices your Raspberry Pi can probe via (by default) BCM4, like so:
|
Newer kernels (4.9.28 and later) allow you to use dynamic overlay loading instead, including creating multiple 1-Wire busses to be used at the same time:
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=4 pullup=0 # header pin 7
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=17 pullup=0 # header pin 11
|
||||||
|
sudo dtoverlay w1-gpio gpiopin=27 pullup=0 # header pin 13
|
||||||
|
```
|
||||||
|
|
||||||
|
once any of the steps above have been performed, and discovery is complete you can list the devices that your Raspberry Pi has discovered via all 1-Wire busses (by default BCM4), like so:
|
||||||
|
|
||||||
```
|
```
|
||||||
ls /sys/bus/w1/devices/
|
ls /sys/bus/w1/devices/
|
||||||
```
|
```
|
||||||
|
|
||||||
|
n.b. Using w1-gpio on the Raspberry Pi typically needs a 4.7 kΩ pull-up resistor connected between the GPIO pin and a 3.3v supply (e.g. header pin 1 or 17). Other means of connecting 1-Wire devices to the Raspberry Pi are also possible, such as using i2c to 1-Wire bridge chips.
|
||||||
|
Loading…
Reference in New Issue
Block a user