Control Electronics
AssemblyMain PCB coordinating paper position, hammer timing, and solenoid power delivery via an 8-channel darlington driver array. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Control Electronics
7 top-level lines as of r17884| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Microcontroller | braille-embosser-mcu | 1× | 1 | · | part |
| 2 | Solenoid Driver Array | braille-embosser-solenoid-driver | 1× | 1 | · | part |
| 3 | USB Connector | braille-embosser-usb-connector | 1× | 1 | · | part |
| 4 | Power Distribution Relay | braille-embosser-power-distribution | 1× | 1 | · | part |
| 5 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 7 | Relay | relay | 4× | 4 | · | part |