Dec 06

Honey Stick Machine – Part 4 – Circuits

Mosfet control circuit

It’s winter again, or at least it looks like it out the window.  We had several inches of snowfall Tuesday night and it looks like it’s going to stick around for awhile.  So it’s time to get back to the honey stick machine.  It’s been over a year now since I designed the simple MOSFET solenoid driver circuit, and I’ve finally constructed it on the prototype board and tested it. I’m happy to say it worked flawlessly.  It’s probably overkill for the lower power solenoids, but keeping them all the same (the project calls for 7 drivers) will allow significant flexibility.  This is good since I don’t know what I’ll get into once I get into the mechanical side of things.

The picture, from left to right, shows the power supply, Phidgets USB interface, and the prototype board with solenoid on the right side of it.

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