• Programmable ISA Boot ROM Card for XT through 80486 PCs

• Project Thread

Defects:

• Damaged Capacitors C3, C21, C119, C121: Replaced

• Dry Capacitors C80, C87, C88, C98, C99: Replaced

• Faulty Amplifier TDA1715P: Replaced

• Serial MIDI adapter compatible with most Amiga software

• Github Page

Defects:

• Battery leakage

  • Damaged KBC socket: Replaced

  • Damaged traces: Repaired

  • Faulty 7406 Logic IC: Replaced

• Blown tantalum decoupling capacitors: Replaced

• Incorrect BIOS EEPROM: Replaced

Defects:

• Low volume, no bass

  • Dry capacitors: Replaced

• Gravis Ultrasound Emulation (Under Development)

• SBC: Raspberry Pi Pico

• 3D printed plastic backplate

• Github Page

Defects:

• Missing BIOS EEPROM: Installed

• Damaged C6, C42: Replaced

• Damaged keyboard socket: Replaced

• Damaged CR2032 battery holder: Replaced

• HDMI Scandoubler & Flicker Fixer for OCS Amiga computers (A1000, A500/+,  A600, A2000)

• Input: Amiga RGB 320x240@16bits,  640x240@8bits

• Output: HDMI 640x480, 800x600, 960x540, 1280x720(HD) @60 hertz 

• SBC: Raspberry Pi Pico

• Low latency (1-2ms)

• ISA Mini-expansion card that provides -5V for systems with PSUs that lack a -5V rail

• Github Page

Defects:

• Missing Line-In jack: Pads repaired, Jack installed

• Damaged CD-ROM Audio Header: Replaced

• Missing bracket: Installed (AWE64 Value bracket)

• Mini-USB powered adapter for converting PS/2 mice to Serial

• SBC: Arduino Pro Mini

• Github Page

Defects:

• Blown tantalum decoupling capacitors: Replaced

• Battery leakage 

  • Broken traces: Repaired

• MT-32 Emulation (MUNT)

• GM/GS Synthesis (Fluidsynth)

• SBC: Raspberry Pi 3B

• Hat: MT32-Pi-MIDI-HAT Assembly

  • DIN-5 MIDI In

  • PCM5102 DAC 

  • OLED Display

  • Microswitches:

    • MUNT/Fluidsynth Select

    • ROM/Soundfond Select

    • Volume Up

    • Volume Down

• SysEx controllable via MPU-401

• Github Page (MT32-Pi)

• Github Page (MIDI Hat)

• HDMI Scandoubler & Flicker Fixer for A500/+ computers

• Input: Amiga Denise/SuperDenise

• Output: HDMI

• SBC: Raspberry Pi Zero

• Low latency (1-2ms)

• Github Page

• PLIP ethernet adapter

• SBC: Arduino Nano v3 (ATmega 328 16MHz)

• Shield: Arduino Nano Ethernet (ENC28J60)

• Software v0.6 17.01.2015

• ~80 KB/s transfer speed

• Github Page

• 100% Sound Blaster clone

• DSP Ver. 2.01

• Creative Music System (CMS) Upgrade

• Metal backplate

• Github Page

• Flash-Floppy Firmware programmed

• 128x32 OLED Display added

• Piezoelectric buzzer added

• HDMI Scandoubler & Flicker Fixer for OCS Amiga computers (A1000, A500/+,  A600, A2000)

• Input: Amiga RGB PAL/NTSC 50/60Hz progressive/interlaced compatible

• Output: HDMI Mode 2,3,6,7,17,18,21,22

• SBC: FPGA CycloneII EP2C5T14

• <70us Input to Output Latency

Defects:

• Bent TMU Pins: Repaired

• Missing ICs:

  • THT oscillator: Installed

  • SMD resistor array: Installed

• 100% Adlib Music Synthesizer clone

• 3D printed backplate

• Github Page

Defects:

• Missing ICs:

  • SMD capacitors (2): Installed

  • SMD resistor: Installed

  • SMD inductor: Installed

  • SMD oscillator: Installed

  • SMD diode: Installed

• Missing cooler: Installed

Defects:

• Missing ICs:

  • Voltage regulator: Installed

  • Capacitors (2): Installed

• Damaged SIMM sockets: Replaced

• Missing bracket: Installed