DS3231 AT24C32 Precision RTC Module I2C with Temperature Sensor EEPROM for Arduino Data Logger Clock Raspberry Pi ESP32 UNO R3

Description

Upgrade your projects with the DS3231 AT24C32 Precision RTC Module – a high‑accuracy real‑time clock solution that combines a temperature‑compensated crystal oscillator, built‑in EEPROM, and I²C interface. Perfect for Arduino, Raspberry Pi, ESP32, UNO R3, and any data‑logging or timing‑critical application, this module ensures reliable timekeeping even in challenging environments.

Why Choose This RTC Module?

• ✔️ Ultra‑Precise Timekeeping – DS3231 crystal oscillator offers ±2 ppm accuracy, far superior to standard RTC chips.
• ✔️ Integrated Temperature Sensor – Real‑time temperature readings for compensation and environmental monitoring.
• ✔️ Built‑In 32 KB EEPROM (AT24C32) – Store configuration data, calibration values, or small logs without extra hardware.
• ✔️ Easy I²C Interface – Connect with just two wires (SDA, SCL) plus VCC and GND; compatible with 3.3 V and 5 V logic.
• ✔️ Broad Compatibility – Works seamlessly with Arduino, Raspberry Pi, ESP32, UNO R3, and most microcontroller platforms.
• ✔️ Compact & Robust Design – Small 20 mm × 20 mm board with gold‑plated pins for reliable soldering.

Key Features & Specifications

• Real‑time clock: DS3231, temperature‑compensated crystal oscillator
• Temperature sensor range: –40 °C to +85 °C, ±0.5 °C accuracy
• EEPROM: AT24C32, 32 KB (4 KB × 8) I²C serial EEPROM
• Power supply: 3.3 V – 5 V DC
• Operating voltage: 1.8 V – 5.5 V (compatible with both 3.3 V and 5 V systems)
• Interface: I²C (address 0x68 for DS3231, 0x57 for AT24C32)
• Operating temperature: –40 °C to +85 °C
• Dimensions: 20 mm × 20 mm × 2 mm

Ideal Applications

• Data loggers and environmental monitoring stations
• Home automation and IoT time‑stamp devices
• Portable weather stations and sensor networks
• Battery‑powered clocks and alarms
• Industrial equipment requiring precise scheduling

Easy Integration

Simply connect VCC, GND, SDA, and SCL to your microcontroller. Use popular libraries such as RTClib (Arduino) or python‑smbus (Raspberry Pi) to read time, date, temperature, and EEPROM data within minutes.

What’s in the Box

• 1 × DS3231 AT24C32 Precision RTC Module
• Pin header strips (optional, for quick prototyping)
• Quick‑start guide with wiring diagram and code snippets

Boost the reliability and functionality of your projects with this all‑in‑one RTC solution. Order now and experience flawless timekeeping, data storage, and temperature monitoring in a single, compact module.