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M.2 /MSATA -> SATA Adapter 3.5" Caddy w/activity mod
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This holds an m2 / msata -> SATA adapter and has standoffs for mounting a small NPN transistor circuit
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I wanted to show HDD activity on a retro build that has a PCI SATA card, but there was no easy way to tap activity off the SATA card i used. I instead found an adapter that has an activity LED, but I realized it was inverted from how a normal case LED blinks - so a small NPN circuit is used, tapped off the 3.3v rail, ground, and the sink off the LED. NPN transistor, 2x 3.9k and 1x 330 ohm resistor.