PiFace Shim RTC - Real-Time Clock for Raspberry Pi

The PiFace Shim RTC is a battery backed up realtime clock and calendar add on board for Raspberry Pi that does not get in the way of other add on boards providing easy, plug and play integration and development for designs and/or applications requiring time stamps. Board communicates via I2C interface, supported by a back-up battery to ensure on-going timekeeping operation in power-down situation

• Microchip MCP7940N Battery backed RTCC device
• Does not use up the Raspberry Pi GPIO headers
• Compatible with Raspberry Pi Models( A, B and B+)
• Works with 26 or 40 Raspberry Pi GPIO header pins
• Fits within Raspberry Pi footprint
• Add a real-time clock for time-stamping applications
• Will fit under most add-on boards
• I²C connection