first commit. All code in Solenoid taken from Jim Hamblen's Notebook page on solenoids. https://developer.mbed.org/users/4180_1/notebook/an-introduction-to-solenoids/
first commit. All code in Solenoid taken from Jim Hamblen's Notebook page on solenoids. https://developer.mbed.org/users/4180_1/notebook/an-introduction-to-solenoids/