Mô Đun Đồng Hồ Mini Ds3231 At24C32 Iic Cho Raspberry 3.3v/5v Pi

DS3231 module 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 ± 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 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 (for Arduino uno r3 for example): SCL → A5 SDA → A4 VCC → 5V GND → GND Shipping list: 1.DS3231 module a (tested good antistatic packaging ) Mini DS3231 module with battery Overview: 1. DS3231 high precision clock module for Raspberry Pi 2. the module can also be used for Arduino motherboard 3. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient! Features: 1. to 40° to + 85° temperature range, timing accuracy in a plus or minus 5 PPM (+/- 0.432 SEC/day) 2. To provide continuous timing battery backup 3. Low power consumption 4. The device compatible with DS3231 encapsulation and function 5. Complete the clock calendar function including the second, minute, 6. Two calendar clock 7. 1 Hz and 32.768 kHz output 8. Reset the output and input button to tremble 9. High speed (400 KHZ) the I2C serial bus 10.+ 2.3 V to + 5.5 V power supply voltage 11.The accuracy of plus or minus 3° digital temperature sensor 12.- 40 ° to + 85° temperature range