Type |
Engineering Development Tools |
Module parameters: 1
Size: 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 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 with rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal 14
Packing: single anti-static packaging
Wiring instructions (with Arduino uno r3 for example): SCL A5 SDA A4 VCC 5V
GND GND package: 2 x Donop DS3231 AT24C32 IIC module precision Real time clock module memory module Arduino