Raspberry Pi RTC Expansion Module
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Raspberry Pi RTC Expansion Module

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$10.99 $14.99
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The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has its power down. Set a serial port, TTL convenient way online debugging.

Features:
Use Maxim DS1307 chip
Extends CR1220 button cell backup
Can be operated by a shell
Set a serial port connector
Programmable square-wave output signal
Consumes Less than 500nA in Battery-Backup Mode
Automatic Power-Fail Detect and Switch Circuitry
Programmable Square-Wave Output Signal
Port£º
Raspberry Pi B module 2X13 connection port
Raspberry Pi A+/B+/2 module 2X13 connection port
2*5pin 2.54mm connector
Product Parameters£º
Accuracy ¡À2ppm from 0¡ãC to +40¡ãC
Work voltage 5V
Battery Backup Input for Continuous Time keeping
Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
Work temperature 0¡ãC to +70¡ãC

Part List:
1 x RTC Module
1x CR1220 Battery

Technical details
Dimensions 90mm x70mm x21mm
Weight G.W 13g
Battery Lithium Cells/Batteries packed with equipment UN3481 -PI966
The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has its power down. Set a serial port, TTL convenient way online debugging.

Features:
Use Maxim DS1307 chip
Extends CR1220 button cell backup
Can be operated by a shell
Set a serial port connector
Programmable square-wave output signal
Consumes Less than 500nA in Battery-Backup Mode
Automatic Power-Fail Detect and Switch Circuitry
Programmable Square-Wave Output Signal
Port£º
Raspberry Pi B module 2X13 connection port
Raspberry Pi A+/B+/2 module 2X13 connection port
2*5pin 2.54mm connector
Product Parameters£º
Accuracy ¡À2ppm from 0¡ãC to +40¡ãC
Work voltage 5V
Battery Backup Input for Continuous Time keeping
Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
Work temperature 0¡ãC to +70¡ãC

Part List:
1 x RTC Module
1x CR1220 Battery

Technical details
Dimensions 90mm x70mm x21mm
Weight G.W 13g
Battery Lithium Cells/Batteries packed with equipment UN3481 -PI966

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