Continuing my efforts on the Plus Too Macintosh Plus clone, I’ve started work on the design of the interleaved memory controller. The memory controller allows RAM to be transparently shared between the 68000 CPU and the video circuitry. The general…
I’ve been looking further into the idea of building a working hardware clone of a classic Macintosh, and I think I can do it. I’ve decided to target the Macintosh Plus for hardware replication, and am tentatively calling this project…
What would it take to build a working clone of an early 80’s Macintosh computer? I’ve been kicking around the idea of a 68000-based project for a while– a custom computer something like BMOW 1, but using a 68000 CPU…
The Backcountry Logger is a portable device for measuring and graphing altitude, temperature, and air pressure. It should appeal to any outdoorsy people interested in examining altitude, temperature, or pressure movements over timescales from an hour to two weeks. That…
Logger Mini and I returned this week from the John Muir Trail. It was an amazing, epic trip, ending unexpectedly with me stranded in the middle of nowhere in the Owens Valley desert, gawking at the PLAGUE WARNING signs. It…
I’ve made some refinements to the Backcountry Logger firmware, based on my experiences in the field last weekend. I’ve decided to bring the Logger Mini with me on my upcoming John Muir Trail trip, rather than the Logger Classic that…
The backcountry logger and I climbed Mt. Langley this past weekend, providing its first real test in the wild. Langley is a 14026 foot peak in the southern Sierra Nevada mountains of California, about five miles from Mt. Whitney. I…
Who’s the best solderer in the world? I am. That’s right. All you other soldering fools just want to taste my sweet victory because the Logger Mini works! OK, in reality I may be in the bottom decile of the…
While I was traveling, a few goodies arrived in the mail. The most exciting of the bunch are the PCBs for the Backcountry Logger mini version. Pictured here is the mini PCB next to the classic, to give a sense…
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