RTC-DS1302 Module

RTC-DS1302 Module

5.0 (1 Reviews)
SKU: TS0203
Quantily: - +
Product Description



  • Adopt the universal 32.768kHz crystal oscillator.
  • With a button cell holder for LIR2032 rechargeable Li-ion battery.
  • Use three lines (CE, I/O, SCLK) to synchronously communicate with CPU, or have a 3-wire interface; support clock signals or RAM data under a multi-byte mode (burst).
  • 5-Pin anti-reverse cable included.
  • Operating temperature: 0°C ~ +70°C.
  • Power: < 1mW (data and clock information stored).


  • An NTC thermistor sensor is included, supporting high sensitivity.
  • A comparator LM393 is contained, so it can output both digital and analog signals at the same time.
  • Include a potentiometer to adjust the threshold of detection.
  • Working voltage: 3.3V-5V; PCB size: 2.3 x 2.3 cm
  • High measurement accuracy with a wide range, good stability, and strong overload capacity. 


Package List

  • RTC-DS1302 module x 1
  • 5-Pin anti-reverse cable x 1
  • Quality
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  • Price
this rtc worked great with the arduino uno By Luna 2019-12-11 08:42:18

this rtc worked great with the arduino uno. a little tweak of the library and the time was set correct.
the pins it requires were already in use so i just used 8, 9, 10. just tweak the code to match pin numbers.

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