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mirror of synced 2026-03-01 17:36:13 +00:00

3 Commits

Author SHA1 Message Date
Redherring32
3b9c6e0f49 Updated readme photo to show V1.2 PCB, and added note on video output "improvements" 2021-06-10 11:22:37 -07:00
Redherring32
c3f793accc Fix readme typo 2021-02-25 01:04:50 -06:00
Redherring32
627f0fbb3d + Fixed R13 value error 2021-02-15 12:35:53 -06:00
4 changed files with 24 additions and 17 deletions

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@@ -34,7 +34,7 @@
)
(setup
(last_trace_width 1.5)
(last_trace_width 0.25)
(user_trace_width 0.45)
(user_trace_width 0.5)
(user_trace_width 1.25)
@@ -4806,7 +4806,7 @@
(fp_text reference R13 (at 5.1 0.05 90) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value 1.2K (at 5 -2.375 90) (layer F.SilkS)
(fp_text value 150K (at 5 -2.375 90) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text user %R (at 5.08 0 90) (layer F.Fab)

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@@ -1,4 +1,4 @@
update=12/2/2019 9:31:35 PM
update=2/15/2021 12:34:27 PM
version=1
last_client=kicad
[general]
@@ -12,16 +12,6 @@ NetIExt=net
version=1
LibDir=
[eeschema/libraries]
[schematic_editor]
version=1
PageLayoutDescrFile=
PlotDirectoryName=F:/NES-RE/Board Files
SubpartIdSeparator=0
SubpartFirstId=65
NetFmtName=
SpiceAjustPassiveValues=0
LabSize=50
ERC_TestSimilarLabels=1
[pcbnew]
version=1
PageLayoutDescrFile=
@@ -250,3 +240,13 @@ uViaDrill=0.1
dPairWidth=0.2
dPairGap=0.25
dPairViaGap=0.25
[schematic_editor]
version=1
PageLayoutDescrFile=
PlotDirectoryName=
SubpartIdSeparator=0
SubpartFirstId=65
NetFmtName=
SpiceAjustPassiveValues=0
LabSize=50
ERC_TestSimilarLabels=1

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@@ -2412,7 +2412,7 @@ L Device:R R13
U 1 1 5EC660D3
P 2200 8800
F 0 "R13" V 2100 8650 50 0000 L CNN
F 1 "1.2K" V 2100 8850 50 0000 L CNN
F 1 "150K" V 2100 8850 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2130 8800 50 0001 C CNN
F 3 "~" H 2200 8800 50 0001 C CNN
1 2200 8800

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@@ -1,6 +1,13 @@
# Open 'Tendo
An Open-Source HardWare (OSHW) recreation of the original 1985 Front-Loading NES motherboard.
## Note on RGB and HDMI:
Neither RGB nor HDMI video output were or are a goal of the OpenTendo project, the goal was/is documentation and preservation, and the project was an exercise in reverse engineering. As such "improved" video outputs will not be added to OpenTendo.
NESRGB and Hi-Def NES can be installed as normal, but will not be incorporated into the OpenTendo PCB
## Repository Structure:
* Board Files: Contains all files necessary to open the project in KiCad, as well as the schematic and schematic symbols
@@ -18,11 +25,11 @@ The files required to order PCBs can be found under releases.
* 1.6mm thickness
* HASL surface finish
* HASL or ENiG surface finish
* And any color you want!
![Board Front](https://i.imgur.com/nQP6BoM.jpg)
![Board Front](https://i.imgur.com/yBy1h27.jpeg)
The design is as true to the original board as possible, with subtle changes where needed to compensate for outdated/unsourcable parts,
as well as some improvements. (Expansion audio enabled, and other minor changes)
@@ -31,7 +38,7 @@ Since this project is open-source you may do as you like with it, whether that i
I am not in any way affiliated with Nintendo, I'm just doing this in my free time as a stepping stone into further Reverse Engineering work.
*Note:* At this point in time, any and all motherboards will require the use of an original CPU[1], and PPU[1] to function.
*Note:* At this point in time, any and all motherboards will require the use of an original CPU[1], and PPU[2] to function.
These are the only two parts that are custom and have no available replacement, the rest can be replaced with modern, and or easily available parts.