EDN

DS1307 Based Real-Time Clock

The project aims to create a standard desk clock that is based on an I2C Real-Time Clock IC DS1307 with a 4-digit 7-segment display. The use of DS1307 IC on a bread board is easier compared to using ...
EDN

64 x 8, Serial, I²C Real-Time Clock

The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I²C, bidirectional ...
Hackaday

real time clock

[IronJungle] got around to putting together every tinkerers favorite project: a clock with a strange way of displaying the time. For his clock, [Jungle] took a trio of voltmeters and turned them into ...
Hackaday

Word Clock Five Minutes At A Time

As this clock’s creator admits, it took far more than five minutes to put together, but it does display the time in five minute increments. After acquiring five 4-character, 16 segment display modules ...