Some cool A Earrings images:
Programmable earrings

Image by @Cyberspice
The earrings on the right use an ATTiny45 micro-controller to drive the RGB LED. It can read the value of a sensor (such as a light dependent resistor) soldered to the pads by the hook. The other earrings are a regular pair I made and are there for size comparison.
Earring

Image by miggy357
Mom bought me an earring.
Earrings

Image by JuanChristophe
Trying out some food and products shots. Earrings are inside a softbox, flash from beneath.











