Introduction: Double Pendulum Perpetual Kinetic Sculpture
Double pendulum perpetual kinetic sculpture
https://www.youtube.com/watch?v=UAxqGRzsC7E
Step 1: Make a Box
Step 2:
Cut aluminum sheet in this shape shown in images.
Step 3: Thing U Need
Thing u need The circuit uses a few common parts:
NPN transistor 2N2222
PNP transistor 2N3906
Diode 1N4007
Resistor - 1-100K
1 Meg preset resistor
Capacitor 3300uf and 1000uf
LED
Battery 2 AA alkaline cells 1.5 v
Coil 28 gauge copper wire (500 turns ) 1/4" inner diameter
Magnet 10 mm × 10 mm
Ball Bearing id 4mm od 8mm w 4mm