I still get confused with conventional current flow theory and electron direction, etc.. but..
In a circuit like this one, where you use a 555 timer to then pulse a mosfet and ultimately limit power to a motor...
http://www.dprg.org/tutorials/2005-11a/index.html
The motor's - lead is connected to the output of the Mosfet.
If you were to put "any" circuit into that schematic, in other words, not a motor... rather limit by way of PWM/MOSFET - the ability for a circuit to have current/power...
Would you attach to the negative side, like that?
It threw me for a loop, I assumed you would be attached to the + side of the motor, or any circuit...
If instead of the motor for example I had a whole seperate circuit, maybe a blocking oscillator or something... could I limit the available RMS voltage (and thus available current, effectively) by supplying it with the MOSFETs output tied to it's - side?
Thanks
In a circuit like this one, where you use a 555 timer to then pulse a mosfet and ultimately limit power to a motor...
http://www.dprg.org/tutorials/2005-11a/index.html
The motor's - lead is connected to the output of the Mosfet.
If you were to put "any" circuit into that schematic, in other words, not a motor... rather limit by way of PWM/MOSFET - the ability for a circuit to have current/power...
Would you attach to the negative side, like that?
It threw me for a loop, I assumed you would be attached to the + side of the motor, or any circuit...
If instead of the motor for example I had a whole seperate circuit, maybe a blocking oscillator or something... could I limit the available RMS voltage (and thus available current, effectively) by supplying it with the MOSFETs output tied to it's - side?
Thanks