AA Battery Conversion for Professor Boots Excavator
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Battery tray and cover to convert the ProfessorBoots Excavator to run on AA batteries.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- RC & Robotics
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- Creative Commons — Attribution — Noncommercial — Share Alike
After getting tired of waiting for the Fenix batteries to ship, I decided to create a conversion to run the excavator with AA batteries.
Starting with four AAs, it was lacking the power to really do anything, so I increased it to six. This provides a bit extra voltage compared to the original model at approximately 9V. There is now plenty of power. I tested everything with the alkaline batteries to start which worked just fine. But am now using the PaleBlueEarth USBC rechargeable AAs which are supposed to be 2200 mAh batteries, 1500 more than the Fenix CR123As.
The 3D prints are relatively straight forward, a small amount of supports are necessary.
Once printed, attach the battery contacts (something similar to the one linked below) to the tray, these should all be wired in series and then to the PCB (All other wiring is the same as the original). The tray then just gets pressed into the modified rear cover with a small chamfer that helps hold it in place.
The top cover then snaps into the same groves that are there to allow the contacts and wires to pass through.
Note: I did not include polarity symbols on the tray or cover, simply because it can be wired a few different ways to get the correct voltage. It will be up to the user to figure that out and add them in the slicer if needed.
https://www.amazon.com/dp/B0GTVNBSB5?ref=ppx_yo2ov_dt_b_fed_asin_title