Relive Your Childhood Memories with a Tamagotchi-Inspired DIY Virtual Pet

For a recent element14 Presents project, DJ created his own digital companion in the style of gadgets from a bygone era.

Jeremy S. Cook
a month agoGaming

If you miss your first pet — that is your first digital pet — this project by DJ at element14 shows how to create your own Tamagotchi. Of course, what he’s come up with isn’t an actual Tamagotchi, but a mini virtual pet and gaming console inspired by the '90s device.

The new gadget is, in fact, named Tomo for “friend,” and is controlled by an Arduino MKR Zero with three buttons for the user input. Output is via a monochrome 1.3” 128x64 pixel resolution SPI OLED display along with a piezo speaker. This display isn’t much today, but is amazing when compared to the original’s 16x32 pixel screen.

A power switch is also implemented, while a 1200mAh battery provides plenty of juice to keep Tomo “fed” for some time to come. The build features a blue and purple 3D-printed shell, which fits in nicely with the era and style of the original.

The device allows you to play a variety of mini games to level Tomo up, upgrading its body as it gets enough power/experience points. From a construction standpoint, DJ's project has a rather low parts count, so should be easy to replicate if you want to make your own.

Jeremy S. Cook
Engineer, maker of random contraptions, love learning about tech. Write for various publications, including Hackster!
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