Controller Board
AssemblySingle 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.
Bill of materials for Controller Board
7 top-level lines as of r48669| # | 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 |