MOD-RTC Real Time Clock interface board with PCF8536

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MOD-RTC add real time clock feature to boards with UEXT connector . The time keeping accuracy is tuned to 2 seconds per day, more accurate tuning is possible by adjusting the inter nal PCF8536 registers. Features PCF8536 Real time clock Lithium 3V battery connector UEXT connector FR-4, 1.5 mm, soldermask, component print Dimensions: 40x19mm (1.57 x 0.75") Documents Schematic Note: DUINOMITE firmware can use MOD-RTC with SETUP command Show more