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Abdullah Zubair
01-01-2010, 12:46 AM
I am trying to make a nocturnal solar engine.In the SE SIMD1 V2 Solar Engine , shown in this pic,http://www.beam-wiki.org/w/images/4/44/SE_SIMD1_V2.gif,why is the load having three terminals??
My load is a motor.So how do i make it?
Please reply soon.
Thanking You




--Zubair

docel
01-01-2010, 02:15 AM
[Please - do not double post !!!]

BEAM circuits look simple , but they are not simple at all. It is not for beginners. BEAMers expect you to know a lot of stuff and do not elaborate much.
43
The Solar Engine schematic is a basic building block. The 2N3904 will only oscillate and will not be able to drive a motor. The black box will consist of the Load motor and a motor drive circuit, usually from a transistor onwards.

The black box will be a power transistor with the Motor as load. The 2N3904 collector marked 'e' will connect to the driver base and switch the motor ON-OFF; v=Vcc, g= -ve ( ground).