Bulk charge 12 USB battery banks at once
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This project uses a ATX power supply, these supply a significant amount of current compared to a phone charger.
Power is delivered to each connect via copper wire strips and low-cost micro USB cables.
The result is a funky-looking functional battery charger.
These should be pretty straightforward to print. No supports and 20% infill. For the screw holes, I like to add a support blocker (Cura) and increase the wall count to 6 to make sure these holes are solid. This prevents the screws from splitting the PLA.
I printed the SVGs to the correct size glued these onto the top of the acrylic and used this as a template to cut out and drill. This is easy for acrylic as it has a protective sheet to peel off any. Wood might leave a mess.
Check the gallery for the wiring diagram. These meters have a weird sort of configuration with the wire colour and you need to connect a red wire to the negative side which doesn't make much sense but hopefully, the picture will help.
jasonwinfieldnz
Yohan Lasorsa
Benchoff
x-labz
Meta Unknown