Time Synchronization
AssemblyReal-time clock and battery-backed time-of-use (TOU) calendar, synchronized daily via network time protocol (NTP). A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Time Synchronization
4 top-level lines as of r158119| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | 32.768 kHz Crystal | smart-meter-rtc-crystal | 1× | 1 | · | part |
| 2 | Backup Battery | smart-meter-backup-battery | 1× | 1 | · | part |
| 3 | RTC IC | smart-meter-rtc-ic | 1× | 1 | · | part |
| 4 | NTP Synchronization | smart-meter-ntp-sync | 1× | 1 | · | part |