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1. 10PCS DS3231SN 3231 IC RTC W/TCXO 16-SOIC NEW GOOD QUALITY

   To other remote country. module, crystal oscillator, relay and all kinds of electronic.

   eBay

2. For RTC WatchDog HAT(B) Expansion Board Real Time Clock Onboard DS3231SN7862

   1 x RTC WatchDog HAT (B). Watchdog chip: CH32V003. RTC chip: DS3231. Onboard auto reset monitoring circuit. []for reference ONLY, the boards and Nano are NOT included. [Designed For Series]. Standard 40PIN GPIO Header, For Series Boards, Nano.

   eBay

3. 5Pcs NEW DS3231SN 3231 IC RTC W/TCXO 16-SOIC

   ◆If there are no special circumstances, your product will not be delayed in arrival.

   eBay

4. 1PC NEW Clock Module Raspberry Pi RTC module DS3231 module

   Therefore, make sure you need it before buying the product. You should receive the item within 2-4 weeks. It's very important, we need it.

   eBay

5. DS3231 Real Time Clock Module Low Power Calendar Alarm Battery Backup System

   Integrated I2C interfaces simplifies for connectivitys, while the builts in temperature sensors and low power optimizes performances for IoT and automation projects.

   eBay

6. Real Time Clock DS3231 I2C IIC Real Time Clock RTC Module Raspberry Pi◇

   Easy to use: The module is small in size, easy to install, convenient to use, suitable for various timing needs, and can be quickly operated without professional skills. All pictures are for illustration purpose only and Colours may vary slightly.

   eBay

7. DS3231 RTC I2C DS3231SN Real Time Clock Module for ChronoDot V2.0 for Arduino

   Use DS3231SN precision clock chip, built 32.768 crystal. The pull-up resistor R1 R2 own welding on the I2C bus. hope you could understand. You can output 1Hz signal, a second output signal.

   eBay

8. 1PC NEW Clock Module Raspberry Pi RTC module DS3231 Module (no battery)

   Therefore, make sure you need it before buying the product. You should receive the item within 2-4 weeks. It's very important, we need it.

   eBay

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