Build a Wearable Watch Using a 6502 8-Bit Microprocessor #VintageComputing #WearableWednesday

Build a Wearable Watch Using a 6502 8 Bit Microprocessor

Via Hackster.io:

It’s hard to believe that MOS Technology released their 6502 8-bit microcontroller back in 1975. Even more surprising, is that 44 years later they are still being manufactured in one form or another (65XX) by Western Design Center, including PLCC and QFP variants — although it’s mostly garage engineers and hobbyists that continue to use them. One of those hobbyists, NotArtyom, took advantage of WDC’s PLCC and QFP 6502 form factors and was able to build a watch around them.

NotArtyom’s watch design is pretty straightforward, and uses a PPLC 6502 (32K of SRAM/16K of ROM) for the main microcontroller, along with a PPLC 6522 to handle I/O options. The chips are housed on a custom PCB with a Nokia 5110 LCD and four programmable buttons to navigate through the watch’s functions.

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