Speed Control
AssemblyMotor driver and feedback loop maintaining programmed spin speed within ±2%. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Speed Control
3 top-level lines as of r161745| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Motor Driver | spin-coater-motor-driver | 1× | 1 | · | part |
| 2 | Tachometer Circuit | spin-coater-tach-circuit | 1× | 1 | · | part |
| 3 | PID Controller | spin-coater-pid-controller | 1× | 1 | · | part |