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Raspberry Pi RTC Module DS1307 Real Time Clock Module with BAT and Coin Battery for Raspberry Pi
Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design
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Amazon.com: DollaTek 5Pcs Tiny RTC I2C DS1307 AT24C32 Real Time Clock Module for Arduino AVR PIC 51 ARM
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Amazon.com: Clock Module PCF8563 PCF8563T Real Time Clock Module High Accuracy I2C RTC Module Board, 1.0-5.5V : Electronics
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2PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board with Male to Female Jumper Wire Cable
DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board (Batteries not Included) + 20 PCS Male to Female Jumper Wire Cable at Amazon.com
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DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board (Batteries not Included) + 20 PCS Male to Female Jumper Wire Cable at Amazon.com
I2C DS1307 Real Time Clock Module for Tiny RTC : Amazon.ca: Electronics
CANADUINO® 3 x RTC Real Time Clock DS3231, 32kB Memory, I2C, Battery Backup (100% Compatible with Arduino) : Amazon.ca: Electronics
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Wishiot DS3231 Real Time Clock Module High Precision AT24C32 IIC RTC Sensor Without Batteries for Arduino Nano Mega2560 Leonardo Raspberry Pi (Pack of 5)