Power System
AssemblyThe supply: a USB or wall adapter feeds a small regulator, while a coin cell keeps the RTC alive through outages so alarms survive a blackout. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Power System
4 top-level lines as of r46476| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Power Supply | power-supply | 1× | 1 | · | part |
| 2 | USB Jack | digital-desk-clock-usb-jack | 1× | 1 | · | part |
| 3 | Regulator | digital-desk-clock-regulator | 1× | 1 | · | part |
| 4 | Backup Cell | digital-desk-clock-backup-cell | 1× | 1 | · | part |