3V/5V Power Supply
thingiverse
I used the following components: - https://www.aliexpress.com/item/5PCS-Mini-3A-DC-DC-Converter-Step-Down-Module-Adjustable-3V-5V-16V-Power-for-RC/2038550907.html - https://www.aliexpress.com/item/20pcs-lot-10-15mm-SPST-2PIN-ON-OFF-G130-Boat-Rocker-Switch-3A-250V-Car-Dash/32806570916.html - https://www.aliexpress.com/item/10Pcs-10cm-15cm-Black-Red-Cable-Connection-9V-Battery-Clips-Connector-Buckle/32674526328.html - 2x2pin female headers Adjust the Step Down Module to the desired voltage using a multimeter. Assembly requires some thought, but if you can handle a 3D printer, you'll figure it out. I attached the Step Down Module to the case with glue. Print at 0.3mm resolution (walls and floors are multiples of .3 mm).
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