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DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board Compatible with Ardu (Batteries not Included) + 20 PCS Male to Female Jumper Wire Cable : Electronics
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Amazon.com: 5pcs The Tiny RTC I2C modules 24C32 Memory DS1307 Clock RTC Module for arduno (Without Battery) : Electronics
DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board Compatible with Ardu (Batteries not Included) + 20 PCS Male to Female Jumper Wire Cable : Electronics
HiLetgo 2pcs DS3231 DS3231SN RTC Module Real Time Clock Memory Module V2.0 I2C with PinHeader : Electronics
