The DS3231M is a low-cost, extremely accurate, I2C real-time clock (RTC). The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The ...

A man named [Jim Valvano] once said “There are 86,400 seconds in a day. It’s up to you to decide what to do with them.” — while we couldn’t tell you who [Jim Valvano] was without a google search*, his ...

v1.5.14 adds a status indicator for the external real-time clock (RTC). If a DS3231 RTC is detected and in use, the timestamp is now prepended with 0x26 in the payload as well as in the flash log. If ...

Raspberry Pi enthusiasts may be interested in a new open source USB Raspberry Pi RTC offering a MCP2221 USB-I2C Converter, DS3231 High-Precision RTC Chip, TCXO, integrated temperature sensor as well ...

The main difference to the non-RTC version ist that the RTC version of the code uses an DS3231 real time clock for measurement and displays graph labels with the correct time in the Web-UI.

Arduino enthusiasts, makers and hobbyists looking for inspiration for their next project might be interested in a unique Arduino clock aptly named the Time Slider. It might not be the quietest clock ...