[Paul] recently purchased an inexpensive USB power pack ... Now you can’t just hook up the 22 ohm resistor to a 5V power supply for the sake of keeping it on — that would draw 1.1watts ...

To make everything work, a load resistor on the 5V circuit makes the power supply think it’s hooked up to a motherboard. It’s all wrapped up in a neat slant-sided 3D-printed case that fits ...

【Wire Gauge】22AWG OD:3.5mm, rated voltage:5V, maximum current ... small appliance light belt,power adapter,power charging stand,usb socket panel,circuit board, bedside lamp,low power ...