The Teleram Portabubble is a vintage computer that includes magnetic bubble memory. It was designed as a wordprocessor for reporters and authors to use on the road and includes an acoustical modem.
Read MoreCategory: Electronics Projects
Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock
Turn a vintage multibus computer into a Nixie Tube clock. Runs ISIS-II operating system. Has GPS and RTC timekeeping as well as speech synthsizers to speak the time.
Read MoreDesigning a TMS5220 Speech Synthesizer Multimodule
Scott designs a TMS5220 speech synthesizer for his multibus computer. Lots of background on interfacing and programming the TMS5220 and the TMS65100 speech ROM.
Read MoreMultibus and the MDS-80 Series II with Homebuilt IO Controller using Raspberry Pi.
ISIS-II on a multibus SBC-80/24A vintage single board computer, with a raspberry pi secondary CPU to provide a disk interface.
Read MoreCiro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
The Ciro Mazzoni Baby Loop is a Magnetic Loop Antenna that I use with my ham radio on 10 meter through 40 meter. In this post I do an in-depth review and analysis of the antenna.
Read MoreCan an AI program your Vintage Computer for you?
I used the Claude-3.5-Sonnet AI to write a program to play the song “Mary Had a Little Lamb” in fig-forth on a TM990 vintage computer together with an AY-3-8910 programmable sound generator.
Read MoreAdding bubble memory to an iPDS-100 Personal Development System / Cloning the iPDS-120 Multimodule Adapter
I build a clone of the iPDS-120 multimodule adapter so that I could add an iSBX-251 bubble memory board to my iPDS-100.
Read MoreMaster Blaster: An 8008 Supercomputer.
I built an eight CPU 8008 computer that I called my “8008 Supercomputer”. These 8 8008 microprocessors implement Conway’s Game of Life, using a simple shared memory approach.
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