DS1302 Real Time Clock Module with Backup Battery
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Circuits Electronics | Real Time Clock (Ds 1302) With Battery | 65 EGP | View in store |
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Lowest price recorded: 65 EGP
About this product
A real-time clock module built around the DS1302 chip, which tracks seconds, minutes, hours, day, month, year and weekday, with leap-year correction. It keeps time from a backup battery when the main power is off. Used in timers, data logging and scheduled-control projects, and communicates with a microcontroller over a 3-wire serial interface.
Specifications
- Chip
- DS1302
- Interface
- 3-wire serial
- Operating voltage
- 2 V – 5.5 V
- Input supply voltage
- 3.3 V (as listed)
- Backup battery
- Included
- Weight
- 9 g
Frequently asked questions
What is the price of DS1302 Real Time Clock Module with Backup Battery in Egypt?
DS1302 Real Time Clock Module with Backup Battery currently costs 65 EGP in Egypt.
Where can I buy DS1302 Real Time Clock Module with Backup Battery in Egypt?
DS1302 Real Time Clock Module with Backup Battery is available from Circuits Electronics. Compare the offers above to find the best price.
How do I wire it to an Arduino?
Connect VCC and GND to power and ground, then connect CLK, DAT (I/O) and RST (CE) to three digital pins. Pin labels can differ between modules, so check the silkscreen on your board.
Will it keep the time when the main power is off?
Yes. The included backup battery keeps the clock running when the main supply is disconnected. Replace the battery if the module loses time after power-down.
