pouder,
in order to be able to drive bigger loads ( voltage/current )...you coul wire up your wave generator as in the attached image...which is what im using to allow me to use the PIC which can only supply mA....but can turn on/off the transistor in order to use much bigger currents etc..
simply replace the two connections where it says "from PIC"....and connect your wave gen there ( observing correct orientation on the diode that is in the opto-coupler )
in terms of the coil itself, bare in mind..... it may not be geometry that produces the "goods" so much as "the order of the windings".....as evidenced by Jamie removing the hollow donut...then squashing the windings flat..... the coil still p[erformed just as well as a properly shaped ( correct geometry ) coil.... but of course the "order" of the windings was still the same as before he flattened it.
in order to be able to drive bigger loads ( voltage/current )...you coul wire up your wave generator as in the attached image...which is what im using to allow me to use the PIC which can only supply mA....but can turn on/off the transistor in order to use much bigger currents etc..
simply replace the two connections where it says "from PIC"....and connect your wave gen there ( observing correct orientation on the diode that is in the opto-coupler )
in terms of the coil itself, bare in mind..... it may not be geometry that produces the "goods" so much as "the order of the windings".....as evidenced by Jamie removing the hollow donut...then squashing the windings flat..... the coil still p[erformed just as well as a properly shaped ( correct geometry ) coil.... but of course the "order" of the windings was still the same as before he flattened it.
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