Main Controller Assembly
The 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.
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Bill of materials
6 top-level lines · 6 rows shown · 57 parts total · indented to 3 levels| # | 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 |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |