It looks like he’s split out the individual USB wires, run the power to the USB port, and the signal wires to different places on the exposed board, maybe to force fast mode in the charger. Then just buried everything in silicone for insulation and to keep wires from pulling loose.
It looks like he’s split out the individual USB wires, run the power to the USB port, and the signal wires to different places on the exposed board, maybe to force fast mode in the charger. Then just buried everything in silicone for insulation and to keep wires from pulling loose.