This is a printed circuit board for a 1.3 inch OLED Watch. With it, you could make your own DIY Watch in a few simple steps!

A complete build can be seen on my Instagram post here. In my use case, I decided to make a low-power wristwatch that counts down the days to my arbitrary death year 😃 It is usually in sleep mode until a button is pressed. It can also display the current time as well as a list of quotes.

Thhe on-board ATmega328P-AU can be programmed with whatever functionality you desire.

Note: Most parts have been soldered on the circuit board as pictured. The OLED Kit comes with the option of the other parts required. You will need to solder the OLED screen of your choice, MCP73831-2-OT, buttons and micro USB connector onto the board.

Features

• Based on the Atmega328p-AU

• Fits an easy-to-read 1.3 inch OLED Screen

• Three buttons connected to a single interrupt

• Low-power PCF8563 Real-time Clock

• Battery charging circuit including a MCP73831

• 28 Days Battery Life with a 180 mAH LiPo on single charge when programmed with sleep mode

• LiPo battery can be easily connected via solder pads