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SongHe 5pcs DS3231 AT24C32 Clock Module Real Time Clock Module IIC RTC Module for Arduino Without Battery

4.9 out of 5 stars 14 ratings

Price: $22.57
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Product description

1 Size about: 38mm (length) * 22mm (W) * 14mm (height) 2 Weight: 8g 3 Operating voltage :3.3 - 5 .5 V 4 clock chip: high-precision clock chip DS3231 5 Clock Accuracy :0-40 ° range, the accuracy 2ppm, the error was about 1 minute 6 calendar alarm clock with two 7 programmable square-wave output 8 Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation 9 chip temperature sensor comes with an accuracy of ± 3 ° 10 memory chips: AT24C32 (storage capacity 32K) 11.IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V) 12 can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57 13 nsure the system after power failure, the clock move any natural normal 14 Packing: single anti-static packaging Wiring instructions (for Arduino uno r3 for example): SCL → A5 SDA → A4 VCC → 5V GND → GND


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4.9 out of 5 stars
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Raeann Laratro
5.0 out of 5 stars Good Deal
Reviewed in the United States on 21 March 2021
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