Car Cigarette Lighter Replacer (USB Charger)
thingiverse
This is a straightforward replacement for the 12-volt outlet with a USB charger that's designed to be mounted more permanently in the car without needing an adapter. I've included photos along with measurements of the specific USB charger board. The part is engineered so the board slides into place from the back, with wires soldered directly onto it. A small square component fits snugly on top and secures the board firmly in position. To accomplish this, a grub screw is required. The hole for the grub screw measures 3 mm in diameter and 7.5 mm deep. If you'd like to make any minor adjustments to the design, please let me know. *Update 26th August 2019* A dual USB version has been added with identical measurements as the single USB model. For this variant, two Backstop components and two 3mm grub screws are necessary. Alternatively, a strong adhesive can be used to secure the Backstop in place.
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