Main Controller
AssemblyThe vend logic board: a system-on-module running the menu and inventory firmware, an MCU that scans selections and switches the tray motors, soldered passives, and a relay bank that drives the high-current motor and refrigeration loads. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Controller
6 top-level lines as of r183055| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 3 | Microcontroller | mcu | 1× | 1 | · | part |
| 4 | SMD Passive (R/C/L) | smd-passives | 40× | 40 | · | part |
| 5 | Relay | relay | 6× | 6 | · | part |
| 6 | Connector | connector | 8× | 8 | · | part |