Control Board
AssemblyA microcontroller board that processes the sensor signal and provides timed pulses to the motor, with debouncing to prevent multiple triggers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Control Board
5 top-level lines as of r8988| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Microcontroller | automatic-paper-towel-dispenser-control-mcu | 1× | 1 | · | part |
| 2 | Motor Driver | automatic-paper-towel-dispenser-control-motor-driver | 1× | 1 | · | part |
| 3 | Solenoid Driver | automatic-paper-towel-dispenser-control-solenoid-driver | 1× | 1 | · | part |
| 4 | SMD Passive (R/C/L) | smd-passives | 16× | 16 | · | part |
| 5 | Bare PCB | pcb-bare | 1× | 1 | · | part |