Final Stretch: Heart Rate LED

Final BOM
The bill of material is 100% complete. After some initial testing, it appears that everything I initially purchased will work as intended.

Electronic Assembly
The electronics are almost fully assembled. The LEDs still need to be wired to a relay, but the relay clicks in synch with my heartbeat.

Testing has been completed minus the LEDs. I don’t imagine running into any issues when the LEDs are wired up to the relays.

Mechanical Assembly
Once the electronics are verified to be working, I will assemble everything else, including the valve cam cover, the plexiglass back plate, and the mounting of the LEDs. I have allocated 3 days to complete this activity.

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1 Comment. Leave new

  • Morgan Ulrich
    April 12, 2017 7:24 pm

    Wow! You’ve done a lot for your project. I don’t think you’ll have a problem finishing on time. Looks like you could finish it this weekend if you wanted to!


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