Hello,
I'm building a pinball machine and I'm in the process of designing the Arduino driven flipper coils using a N-channel enhancement-type logic MOSFET. I've been watching Youtube videos and reading all kinds of articles describing on how to wire this correctly.
Now I've created a electrical design that I like you to have a look at and tell me everything that is wrong with it, and if anything is, also what is correct.
Some background information:
- The flipper coil has a dual winding with a low and high resistance path with flyback diodes
- The flipper mechanism has an EOS-switch (S1) that switches the low/high resistance paths
- The EOS-switch has a capacitor (C1) to prevent arching/sparking
- I've added an flyback diode (D3) to prevent EMF flyback
- I've added a pull-down resistor (R1) to switch the MOSFET "off" by default
All the feedback on this design is appreciated!
Kind regards,
Raymond
I'm building a pinball machine and I'm in the process of designing the Arduino driven flipper coils using a N-channel enhancement-type logic MOSFET. I've been watching Youtube videos and reading all kinds of articles describing on how to wire this correctly.
Now I've created a electrical design that I like you to have a look at and tell me everything that is wrong with it, and if anything is, also what is correct.
Some background information:
- The flipper coil has a dual winding with a low and high resistance path with flyback diodes
- The flipper mechanism has an EOS-switch (S1) that switches the low/high resistance paths
- The EOS-switch has a capacitor (C1) to prevent arching/sparking
- I've added an flyback diode (D3) to prevent EMF flyback
- I've added a pull-down resistor (R1) to switch the MOSFET "off" by default
All the feedback on this design is appreciated!
Kind regards,
Raymond