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.

DS3231 runs independently and can be kept running for a considerable length of time by a small, backup battery, even if power to the Arduino is turned off. According to the datasheet, the DS3231 ...

Macetech’s ChronoDot is a Real Time Clock module for projects requiring highly accurate time keeping and measurement. The ChronoDot uses the DS3231 chip, which features a TCXO to compensate f… ...

Current software can be found here At the beginning, I wanted to build a 7 segments clock with Arduino . . . I found on Internet the little TFT screens (2.2’) able to display anything at very low ...

Dejan Nedelkovski has built a stylish DIY touchscreen Arduino music player and alarm clock which has been created using a folded piece of sheet metal to provide a minimalist yet clean enclosure to ...

This proposed Arduino-based automatic bell device is an electronic system that rings bells at predefined times without manual intervention.