Boards by RetroLoom

5 boards

Open-source boards designed in KiCad by RetroLoom on GitHub, from 3 repositories. A board’s address here is its repository’s there.

2 layers90 × 25 mm
ST7789 Shim
RetroLoom/sed1200emu
A Raspberry Pi Pico display replacement for the Roland MT-32, with a modern TFT/OLED, MIDI VU meters, and MIDI buffer-overflow protection.
16 parts4GPL-3.0
2 layers19.5 × 16 mm
PWM2STPCLK
RetroLoom/PWM2STPCLK
Vintage CPU throttle adapter.
8 parts1CERN-OHL-S-2.0
2 layers55.9 × 37.2 mm
HKTV13RGB
RetroLoom/HKTV13RGB
Open-hardware RGB mod for the Emerson HKTV13 "Hello Kitty" CRT TV — an interposer board that injects switchable external RGB while preserving the original OSD.
35 partsCERN-OHL-S-2.0
2 layers21.5 × 12.2 mm
PC910 Module
RetroLoom/sed1200emu
A Raspberry Pi Pico display replacement for the Roland MT-32, with a modern TFT/OLED, MIDI VU meters, and MIDI buffer-overflow protection.
7 parts4GPL-3.0
2 layers62.5 × 39.8 mm
Sed1200emu
RetroLoom/sed1200emu
A Raspberry Pi Pico display replacement for the Roland MT-32, with a modern TFT/OLED, MIDI VU meters, and MIDI buffer-overflow protection.
15 parts4GPL-3.0

ST7789 Shim