RTC DS1302 Real Time Clock Module | Without battery

Description

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Product details

• Working voltage: 3.3–5.5V
• Clock chip: high-precision clock chip DS3231
• Clock accuracy: within the range of 0-40℃, the accuracy is 2ppm, the annual error is about 1 minute
• With 2 calendar alarm clocks
• Programmable square wave output
• The real-time clock generates seconds, minutes, hours, day of the week, date, month and year, and provides leap year compensation with a valid period of up to 2100
• The chip has its own temperature sensor with an accuracy of ±3℃
  Memory chip: AT24C32 (storage capacity 32K)
• IIC bus interface, transmission speed 400KHz (when working voltage is 5V)
• Size: 38mm (length) * 22mm (width) * 14mm (height)
• Weight: 8g
• Without battery