12 ports protected USB Charger with power meter
thingiverse
I designed this charger with safety in mind. Each port has individual fuse and overload protection. Additional fuses on the transformer board and mains plug. Part list: 12x 12V DC-DC USB Stepdown converter (https://www.amazon.com/SongHe-Charger-Module-Converter-Efficiency/dp/B087ZRGMPS/ref=sr_1_8?dchild=1&keywords=usb+step+down&qid=1630407262&sr=8-8) 1x 200v-12v 8A power supply (https://www.amazon.com/WX-DC2412-Protection-Switching-Short-circuit-Current/dp/B08D3QVTNY/ref=sr_1_1?dchild=1&keywords=wx-dc2412&qid=1630407376&sr=8-1) 1x rocker button 1x C14 panel mount with fuse (https://www.amazon.com/uxcell-Adapter-Module-Connector-Straight/dp/B07PWM969L/ref=sr_1_4?dchild=1&keywords=c14+panel+fuse&qid=1630407535&sr=8-4) 2,5sqmm cable for the main 12V rail 1,3sqmm cable for the ports m3 screws and nuts Printing: Black PLA, 215C nozzle, 60C bed, 20% infil
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