DIY ballistic chronograph (smaller and simpler box)
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Thanks to foam.blasted for the nice design. This box is basically a simpler box with less height than the original.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Toys
- License
- Creative Commons — Attribution — Noncommercial
As I used an Arduino Nano instead of the Uno I did not see the necessity for such a large box and decided to lower the overall profile. For a cleaner print I also removed all the engraved letters.
USB-C connector used for voltage supply:
https://www.amazon.de/gp/product/B0CDBZZQBZ
I also decided to rewrite the firmware for the device which now uses interrupts, provides more data on the display and supports a reset of the values by blocking both sensors for a short time.
https://github.com/pumikachu/dart-chrono