DS-3231 Module Extremely Accurate RTC with Arduino and PIC

Coding and connection of DS-3231 is almost similar to popular DS-1307. But DS-3231 is extremely accurate. It has thermally compensating built in crystal on the other hand DS-1307 required external crystal as a result it is less accurate than DS-3231. Arduino has Popular library to use DS-3231. You need wire library , DS-1307 library and Time library to easily interface DS-3231 with Arduino. Accuracy of DS-3231 is super because crystal fluctuation is strongly managed. You have to very careful if you wanna made your own DS-1307 breakout board. because some crystal are not matched with DS-1307 although frequency is written correctly. I tried with some locally managed crystal but i got there is no time update but when i used a crystal from a old computer motherboard i got Everything working fine. I got 1 second error every 4 hours. most of the time every 4 hours 1 second less as it should be. Then i search and got DS-3231 which is absolutely what i want. If you wanna do some work professionally DS-3231 is a correct choice. In Bangladesh you can find DS-3231 at www.fb.com/OishiElectronisSylhet (+8801717973140) . There is a great tutorial Adafruit Tutorial .

www.fb.com/Nabilphysics   and www.fb.com/OishiElectronisSylhet