Today we can show you [Maarten Tromp]’s latest work in this field: a wall-mounted clock that he’s christened ... with every fifth LED always illuminated dimly in order to provide a background ...

The heart of the operation is a ATmega328P, as seen in the popular Arduino Uno, and it’s paired with a DS3231M real-time clock module to keep accurate time. 13 SMD LEDs are charged with ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. You'll need one of the best ring lights if you're looking to improve the look and feel of ...

Alarm clock settings which will be retrieved from RTC nvram //rtc.adjust(DateTime(2017, 12, 8, 20, 33, 0)); //set this to current time before first run of RTC. Comment out then upload again.

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