Overview:
- HW-084A DS3231 I2C Real Time Clock (RTC) IIC module
- High-precision clock module, memory module
- Size: L43mm x W22mm x H12mm
- Weight: 5.1 g
- Operating voltage: 3.3-5.5V
- High-precision clock chip: DS3231
- Clock accuracy 0-40 ° C, accuracy 2ppm, annual error of approx. 1 minute
- Memory chip AT24C32 (memory capacity 32K)
- With 2 calendar alarm clocks
- Programmable square wave output
- The real-time clock generates seconds, minutes, hours, weeks, dates, months and years and offers a leap year observation valid until 2100
- The chip has its own temperature sensor with an accuracy of ± 3 ° C.
- IIC bus interface, transmission speed 400 kHz (at 5V supply voltage)
- Can cascade other IIC devices, the address can be changed by shorting the solder bridges A0 / A1 / A2
- The standard address for I2C is 0x57 (Eeprom) and 0x68 (RTC)
- Note: No batteries are included in the scope of delivery.
Pinout:
- SCL → A5
- SDA → A4
- VCC → 5V
- GND → GND
Helpful links:
Scope of delivery:
- 1x RTC module DS3231 with I2C interface
- Note: No batteries are included in the scope of delivery.
Further links to "RTC module DS3231 with I2C interface"
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