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https://github.com/cedargrovestudios/clock_builder

Modules and libraries for building standalone structured time-based clocks.
https://github.com/cedargrovestudios/clock_builder

circuitpython clock daylight-saving-time real-time-clock

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Modules and libraries for building standalone structured time-based clocks.

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# Clock_Builder

## A collection of modules and libraries for building standalone RTC clocks.

![Clock_Builder](https://github.com/CedarGroveStudios/Clock_Builder/blob/master/clock_builder.png)

The __examples__ folder contains primary methods for PyBadge, FeatherM4 w/LED display, and a REPL-only clock.

This library and examples are compatible with CircuitPython 5.0.0 and newer.

__Clock_Builder__ currently supports:

_Real-time clock modules:_
- Adafruit DS3231 RTC

_Displays:_
- CircuitPython REPL, including time setting function (tested with PyBadge, ItsyBitsyM4Express, and FeatherM4Express)
- Adafruit 4-digit 7-segment single-color LED displays (only tested on 1.2" HT16K33 backpack with FeatherM4Express)
- Adafruit 4-digit 14-segment single-color LED displays (tested with FeatherM4Express)
- PyBadge and EdgeBadge DisplayIO-based TFT display, including time setting function (tested with PyBadge)

_Time Setting:_
- Time setting for the PyGamer is through the standard on-device buttons.
- Time setting for the FeatherM4Express is via a rotary encoder connected to pins D5, D6, D9, and GND.
- REPL time setting via USB using Python's __input()__ statement is supported.

_Sound:_
- Sound output for the PyGamer is through the integrated speaker.
- Sound output for the FeatherM4Express is via a piezo speaker attached to GPIO pin 13 and GND.
- REPL sound is simulated.

Future support is planned for OLED displays and GPIO-connected time setting buttons.

See the __CedarGroveStudios/Unit_Converter__ repository for a compatible automatic North American Daylight Saving Time method.