Páginas: 2 (256 palabras) Publicado: 30 de agosto de 2012
Homemade Levitron
This a simple electromagnetic „Antigravity” device. Components: U1 7805 regulator IC U2 UA741 operational amplifier Hall Sensor TLE4905or SS495A(B) (placed in the center of the coil) C1 10uF C2, C3, C4 100nF R1 2,2K R2 100K R3 10K R4, R5 120Ω R6, R7 330Ω P1, P3 1K P2 100Ω D1, D2 1N4148 D3,D4 Laser diodes D5, D6 LED ( white or blue) T1 IRF4905 T2 BC557 Electromagnet Ø 0,35mm(max) enameled copper wire (coil) Dimensions: outer diameter 30mm,inner diameter 8mm, height 10mm L= 8.5mH R= 17Ω Permanent Neodymium (flying object) magnet

Some Rights Reservedhttp://creativecommons.org/licenses/by-nc-sa/3.0/ CyberElectronics

Schematics: Original schematic by Skori : http://skory.gylcomp.hu/levitron/levitron.html

Depending by type of Hall Sensor youhave, you can choose between connections type A or B. Circuit „C” is optional, contain 2 Laser diodes and 2 white LEDs. Using connection type „A”, turn theP1 cursor in the middle position. Using connection type „B”, with P1, you can change the distance between flying object and coil.

Some Rights Reservedhttp://creativecommons.org/licenses/by-nc-sa/3.0/ CyberElectronics

Some Rights Reserved http://creativecommons.org/licenses/by-nc-sa/3.0/ CyberElectronics In action

!!! Danger !!! Laser Radiation
Do not direct them towards other people !!! Never lookdirectly into a laser beam !!! Build and/or use at your own risk !!!

Some Rights Reserved http://creativecommons.org/licenses/by-nc-sa/3.0/ CyberElectronics

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