Imported from GitHub: mattwach/epaper_clock · commit 268e5d8 · license Apache-2.0

Description

Autosetting clock based on an epaper display. Runs about a year on batteries and has basic weather telemetry (temperature, pressure, humidity).

README

Different Hardware Configurations:

• arduino_nano_with_cheap_gps: The "easy" design which uses a minimum part count and is intended to be powered with a USB power adapter.
• raw_atmega328p_with_adafruit_gps: Uses raw Atmega328P and an Adafruit GPS unit. A good match for the 32k oscillator firmware for long battery life.
• arduino_pro_mini_with_cheap_gps: Uses an arduino pro mini with an inexpensive GPS unit and MOSFET shutoff. The pro mini can be hacked with with a 32k oscillator (see the main README.md for more info)

You can mix and match above, for example raw atmega328p + cheap gps, but will need to make layout corrections (or make a simple adapter board) if you are using the PCB layout.