MarkD833
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RCBUS-68xxx Public
My Motorola 68000 & 68302 processors (+ SIO, PIO & MFP boards) for the RCBus ecosystem.
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RCBUS-8051-Board Public
8051 Microcontroller Board for the RCBUS System
Assembly UpdatedFeb 16, 2025 -
Z80 KIO prototype board
Assembly GNU General Public License v3.0 UpdatedAug 19, 2024 -
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SC104-SIO2-does-SPI Public
Convincing a Z80 SIO/2 to be an SPI master device
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Arduino-SP0256-Shield Public
SP0256-AL2 Speech Shield for Arduino UNO
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RetroDuino-8085 Public
8085 Microprocessor system on an Arduino UNO'ish footprint
Assembly GNU General Public License v3.0 UpdatedFeb 27, 2024 -
plcc_breakouts Public
Various PLCC breakout boards
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User guide for the Digitalker DTSS Software
2 UpdatedJan 3, 2024 -
Arduino-Digitalker-Shield Public
National Semiconductor Digitalker Speech System Shield for Arduino UNO
C++ GNU General Public License v3.0 UpdatedDec 13, 2023