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HBridge with MOSFETs
The components used in this breadboard diagram are not correct.
The NPN transistors are supposed to be N-Channel MOSFETs (http://www.st.com/web/en/resource/technical/document/datasheet/CD00002501.pdf)
The PNP transistors are supposed to be P-Channel MOSFETs (http://www.onsemi.com/pub_link/Collateral/NTP2955-D.PDF)
The two ICs placed in the left side of the breadboard are supposed to be an optocoupler (http://www.avagotech.com/docs/AV02-1429EN) (The dot is in the upper right side)
Check the HBridge schematic of the same name and description