Controller Board Assembly
Single board that parses ESC/P escape codes, holds character generator ROM and the input buffer, and switches the high-current pulses that fire the pins and step the motors. 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
7 top-level lines · 7 rows shown · 194 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 | Microcontroller | mcu | 1× | 1 | — | part |
| 3 | Firmware ROM | dot-matrix-printer-firmware-rom | 1× | 1 | — | part |
| 4 | Pin Driver Array | dot-matrix-printer-pin-driver | 4× | 4 | — | part |
| 5 | Power MOSFET | mosfet | 6× | 6 | — | part |
| 6 | Interface Port | dot-matrix-printer-interface-port | 1× | 1 | — | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 180× | 180 | — | 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 |