SparkFun Barrel Jack Adapter - USB to 5.5mm Power Supplies Eyewear & Hearing Protection This unique stand clamp allows

This unique stand clamp allows for greater adjustment on which stands the reflector arm could connect to

A vibration motor

left or right

These are very small surface mount quartz crystals used where size is a concern

SparkFun Barrel Jack Adapter - USB to 5.5mm Power Supplies Eyewear & Hearing Protection This unique stand clamp allowsThis is a simple cable that adapts from a USB port to a 5. 5x2. 1mm barrel connector, center positive. This cable allows the user to use a USB port on a computer, laptop, or on our cigarette power supply to provide our development boards with 5V. The USB specification limits current consumption to a max of 500mA from a USB port but this is more than enough to run a simple development board. Cable length is 3 feet.