Real-time clock modules with battery backup for keeping accurate time across power cycles.
RTC Module
DS1302 RTC Real Time Clock Module with battery
75,00 EGP-
Real-Time Clock (RTC) tracks seconds, minutes, hours, day, date, month, and year
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Leap-year correction and support for 12-hour / 24-hour format
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Includes CR1220 coin cell battery holder for power backup
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Operates with a simple 3-wire serial interface (CLK, DAT, RST)
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Built-in 32.768kHz crystal oscillator for accurate timekeeping
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Low power consumption in backup mode – ideal for long-term projects
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Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers
DS1302 RTC Real Time Clock Module without battery
30,00 EGP- Tracks seconds, minutes, hours, day, date, month, and year
- Leap year compensation for accurate calendaring
- 3-wire serial interface (CLK, I/O, CE) – Arduino compatible
- Low power consumption for battery-backed operation
- Onboard crystal oscillator for stable timekeeping
- Includes battery holder for CR2032 (battery not included)
- Supports 12-hour or 24-hour time format
An RTC (real-time clock) module tracks the current date and time using its own dedicated timekeeping chip and a small backup battery, so a project remembers the correct time even after being unplugged or reset - essential for data logging, scheduling, and any project where accurate timestamps matter.
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