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WorkHistory
Software
Networking
Hardware
Employment
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Hardware Projects
Custom CPU and computer design
 | Designed and built CPU in 7th grade, used custom instruction set. |
| Used CPU to build computer, including RAM, I/O, power supply, OS, etc. |
802.11 Wireless Networking
| Designed hardware for efficient implementation of 802.11 wireless networking |
| Implemented standard 802.11 MAC functions in hardware |
| Designed optimized slot-based media access protocol for maximum efficiency, similar to 802.11 CF but not requiring access points. |
Employee Time Clock
| Designed and built low cost computer-controlled time clock with time cards and display. |
| Used by employees to punch in & out, output fed into payroll system. |
Cash Register Data Collection
| Designed embedded system for long-distance cash register control with data storage and compression. |
Synthesizer Interfaces (pre-MIDI)
| Designed and built analog and digital circuits for interfacing Rhoades Chroma and other synthesizers to TRS-80 computer. |
| Designed and implemented several other sound system interfaces. |
Other Interfaces
| Designed and built computer interfaces to scales, alarms, switches, disk drives, ink pumps, EPROM programmers, networks. |
Especially good at low-level device programming, writing of device
drivers.
See also Hardware Skills
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