Image may be NSFW.
Clik here to view.
This instructable describes the building of a USB powered and controlled
set of lava lamps from a USB keyboard and two Think Geek USB lava lamps
using a simple transistor relay switch circuit driven by the keyboard
LEDs. It illustrates a simple way to control up to three high-latency
switches (at ...
By: jamesh
Continue Reading »
Clik here to view.
This instructable describes the building of a USB powered and controlled
set of lava lamps from a USB keyboard and two Think Geek USB lava lamps
using a simple transistor relay switch circuit driven by the keyboard
LEDs. It illustrates a simple way to control up to three high-latency
switches (at ...By: jamesh
Continue Reading »
