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Solar Pendulum

Solar powered pendulum as below was can be easily made without circuit board.

Parts list:

Solar panel > 2 V output

Capacitors :  3300 uF x 1, 1000uFx1

NPN Transistor: 2N3904 x 1

PNP Transistor: 2N3906 x1

Resisitor: 100kOhm x 2

Diode : IN4001 x 1

LED: Any colour x 1

Coil: 10mm dia. x 30 rounds

Magnet : 10mm dia. round x 1

Swinging device: Free to sing