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Control of 25 electromagnets Answered

Hello Everyone, I'm looking for a controller to manage 25 electromagnets. I've managed to come up with a driver circuit to energise each individual electromagnet using an N channel eMOSFET in parrallel with a diode. I need a programmable controller to operate the gate of each eMOSFET but the controller must be capable of managing all 25 switches. thanks for any suggestions in advance.

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Downunder35m
Downunder35m

1 year ago

Multiplexing comes to mind, like used for these LED cube projects.
In binary you would only need 4 bytes to contrl up to 32 outputs.
Or you can use something like an Arduino mega to control them directly.