name

description

christmas lights (U.C.)

Three chains of lights switching (without transformer)

video-audio switcher (U.C.)

If you don't have modern AV amplifier (logic for changing sources)

light switch

for car interior (if you have digital clock and it is too bright at night)

light delay

for car inerior light (after you close the door, light will still lighting)

CD rack

My own construction for 133 CDs made from glass and alluminium , very nice

my PROTEL 99SE

Original literature (pdf) and my own librarys