Arduino Real Time Alarm Clock DS3231 with TM1638. Arduino Clock with Battery backup (real time clock), Time, Date, Alarm, Temperature, TM1638 seven segment module output and input, Display Sleep mode.

Brand Wishiot Memory Storage Capacity 32 KB Connectivity Technology I2C Included Components no Wireless Communication Standard Infrared 1, Main chip DS3231 is a high precision RTC IC with I2C ...

このライブラリは，RTCを取り扱う統一的なAPIを作る思いつきの一部で DS3231用の ライブラリ(デバイスドライバ)です． RTC ...

Teyleten Robot DS3231SN DS3231 Real Time Clock Module RTC Clock AT24C32 Without Battery for Arduino Raspberry(5PCS) HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 5V for Arduino ...