8-bit ISA DiskOnChip / RTC board

In this post, I create an ISA card that can serve as either a DiskOnChip board, or a RTC, or both: Background DiskOnChip is a series of products manufactured by m-systems in the 90s and 2000s. There are several versions available, from standard 32-pin DIP IC packages, to IDE interface versions. This post is going …

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Leia’s LED Clock

In this post, I design and build a LED clock for my daughter: Motivation I had been using a Nixie Tube clock in the baby’s room. As the baby grew older, she not only became mobile, but has also picked up a new hobby, smashing things. As such, the nixie clock had to be replaced …

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