MAX30102 Heart Rate & SpO₂ Sensor Module

Product Description

✅ General Specification: ➡️ Product Type: Real-Time Clock (RTC) Module ➡️ RTC IC: DS3231 ➡️ EEPROM IC: AT24C32 (32Kb / 4KB) ➡️ Communication Interface: I²C (TWI) ➡️ Operating Voltage: 3.3V – 5.5V DC ➡️ Time Accuracy: High Precision Temperature-Compensated RTC (TCXO) ➡️ Time Format: 24-Hour & 12-Hour (AM/PM) ➡️ Calendar Support: Seconds, Minutes, Hours, Day, Date, Month & Year ➡️ Leap Year Compensation: Automatic ➡️ Backup Battery Support: CR2032 Coin Cell (Battery included) ➡️ Alarm Functions: 2 Independent Programmable Alarms ➡️ Square Wave Output: 1Hz, 1.024kHz, 4.096kHz, 8.192kHz ➡️ EEPROM Storage: 4KB Non-Volatile Memory (AT24C32) ➡️ Low Power Consumption: Yes ➡️ PCB Mounting Holes: Yes ➡️ Compatible With: Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC ➡️ Applications: Digital clocks, data logging, IoT devices, automation systems, timers, weather stations, embedded systems, DIY electronics ⚠️ Note: Install a CR2032 coin cell battery to maintain accurate time during power outages.