RTC Board

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The RTC Board

Introduction

Based on the low cost easy to use Real Time Clock IC MCP7940, this board offers a simple breakout for the part taking care of the sensitive crystal connections (probably wouldn't work very accurately on a breadboard). The 'N' version is with a battery backup, where the 'M' is not. Either part can be used.... if the N version is placed, then the board also provides a CR1220 battery holder, which should work with 12 or 12.5mm batteries.

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Schematic

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Purchase

Coming soon - given to Patrons ...

Parts

The parts list can be downloaded HERE This can be directly uploaded into Digikey if you'd like.

Assembly

Tutorials