Tag: rgbs

2 matching upgrades

Showing 2 products.

Status Product What it does Compatibility Links

Status	Product	What it does	Compatibility	Links
Sold outChecked Jul 24, 2026	Apple II RGB Kitby A2Heaven rgb rgbs scart video adapter pal ntsc	Adds RGBS and SCART video output to supported Apple II logic boards. The kit was out of stock on 2026-07-24. Installation differs by model and requires soldering inside the computer; follow the correct PAL or NTSC instructions. Sources A2Heaven Apple II RGB Kit product page	Apple II Exact model Apple II Plus Exact model Apple IIe Exact model	A2Heaven Apple II RGB Kit product page
Build itChecked Jul 30, 2026	rgbi2rgbaby Travis Durf (Markeno76) rgbi cga analog rgb rgbs 15khz brown fix s video composite video audio gerbers kicad published design diy	A buildable C128 and IBM CGA digital-to-analog video adapter with RGBS, RGBHV, and Commodore A/V pass-through options. The repository publishes KiCad sources, Gerbers, a BOM, and printable cases for revision 1.3. The maker tested RGBI, composite, S-Video, audio, and GBS-Control output; revision 1.3 corrects the earlier monochrome pass-through error. This is not a scan converter. Use a compatible 15 kHz path such as GBS-Control or a suitable SCART converter. Never connect the C128 A/V power input and the external barrel power input at the same time. The maker found an ordinary SCART-to-HDMI box unstable in one 80-column game while GBS-Control remained stable. Sources Markeno76 rgbi2rgba repository Travis Durf design and BOM article Travis Durf assembly and test article	Commodore 128 Exact model General PC hardware Bus/interface	rgbi2rgba project and build files Design, schematic, and BOM notes Assembly and test notes

Sold outChecked Jul 24, 2026

Apple II RGB Kitby A2Heaven

Adds RGBS and SCART video output to supported Apple II logic boards.

The kit was out of stock on 2026-07-24. Installation differs by model and requires soldering inside the computer; follow the correct PAL or NTSC instructions.

Sources

A2Heaven Apple II RGB Kit product page

Apple II Exact model
Apple II Plus Exact model
Apple IIe Exact model

A2Heaven Apple II RGB Kit product page

Build itChecked Jul 30, 2026

rgbi2rgbaby Travis Durf (Markeno76)

A buildable C128 and IBM CGA digital-to-analog video adapter with RGBS, RGBHV, and Commodore A/V pass-through options.

The repository publishes KiCad sources, Gerbers, a BOM, and printable cases for revision 1.3. The maker tested RGBI, composite, S-Video, audio, and GBS-Control output; revision 1.3 corrects the earlier monochrome pass-through error. This is not a scan converter. Use a compatible 15 kHz path such as GBS-Control or a suitable SCART converter. Never connect the C128 A/V power input and the external barrel power input at the same time. The maker found an ordinary SCART-to-HDMI box unstable in one 80-column game while GBS-Control remained stable.

Sources

Commodore 128 Exact model
General PC hardware Bus/interface

rgbi2rgba project and build files Design, schematic, and BOM notes Assembly and test notes