Implemented Features:

• Supports Wheel and Slider type filter holders
• For Wheel type filter holders calculates the shortest direction
• Supports filter holders with arbitrary number of filters
• Read Filter
• Move to Filter
• Upper and lower endstops
• Software movement limits
• Find Home Position
• Measure offset from Filter 1 to the home position
• Focus offset values are stored in the Arduino's EEPROM
• Temperature sensors