i-TRIXX Supplement December 2008

Add more speakers

Switching with relays

Potted-plant battery

Scarecrow

Acoustic finder for model aircraft

An intercom using six components

Schrödinger’s egg

Remote Control Extension

Eco-server

Parking sensor (also for men…)

LED bicycle lamp

Theremin Is Alive and Well

USB-controlled mains socket

Electronic cat’s eye

Code lock

Capricious blinking light

Moving-coil alarm sensor

LED Night light

6-component code lock

LED Blinker