Tamagotchi Torture Chamber Is Equal Parts Nostalgia And Sadism

Coming in hot from Cornell University, students [Amanda Huang], [Caroline Hohner], and [Rhea Goswami] bring a project that is guaranteed to tickle the funny bone of anyone in the under-40 set, and sadists of all ages: The Tamagochi Torture Chamber.

Tamagotchi Torture Chamber displaying Tombstone
He’s dead, Jim.

In case you somehow missed it, Bandai’s Tamagochi is a genre-defining digital pet that was the fad toy at the turn of the millennium, and has had periodic revivals since. Like the original digital pet, there are three pushbuttons to allow you to feed, play with, and clean your digital pet. These affect the basic stats of happiness, health, food and weight in ways that will be familiar to anyone who played with the original Tamagochi. Just as with the original, mistreatment or neglect causes the Tamagochi to “die” and display a tombstone on the TFT display.

Where the “Torture Chamber” part comes in is the presence of an accelerometer and soft physics simulation– the soft physics gets an entire core of the Pi Pico at the heart of this build dedicated to it, while the other core handles all inputs, display and game logic. What this enables is the ability to bounce the digital pet off the walls of its digital home with an adorable squish (and drop in health stat) by tilting the unit. You can check that out in the demo video blow.

Is it overkill for a kids toy to have a full soft body simulation, rather than just a squish-bounce animation? Probably, but for an ECE project, it lets the students show off their chops… and possibly work out some frustrations.

We won’t judge. We will point you to other Tamagotchi-inspired projects, though: like this adorable fitness buddy, or this depressingly realistic human version.

If you’ve got an innovative way to torture video game characters, or a project less likely to get you on Skynet’s hitlist, don’t forget to send in a tip!

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The bill of materials and the assembled smartwatch.

Piko, Your ESP32 Powered Fitness Buddy

Over on Hackaday.io there’s a fun and playful write-up for a fun and playful project — the Piko, an ESP32 powered smartwatch.

Our hackers [Iloke Alusala], [Lulama Lingela], and [Rafael Cardoso] teamed up to design and manufacture this wrist-worn fitness wearable. Made from an ESP32 Beetle C6 and using an attached accelerometer with simple thresholds the Piko can detect if you’re idle, walking, jogging, or sprinting; and at the same time count your steps.

Design sketches

The team 3D printed the requisite parts in PLA using the printer in their university makerspace. In addition to the ESP32 and printed parts, the bill of materials includes a 240×240 IPS TFT LCD display, a LIS331HH triple-axis accelerometer, a 200 mAh battery, and of course, a watch strap.

Demonstrating splendid attention to detail, and inspired by the aesthetic of the Tamagotchi and pixel art, the Piko mimics your current activity with a delightful array of hand-drawn animations on its display. Should you want to bring a similar charm to your own projects, all the source is available under the MIT license.

If you’re interested in smartwatch technology be sure to check out our recent articles: Smartwatches Could Flatten The Curve Of The Next Pandemic and Custom Smartwatch Makes Diabetes Monitoring Easier For Kids.

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Work, Eat, Sleep, Repeat: Become A Human Tamagotchi

When [Terence Grover] set out to build a Tamagotchi-inspired simulator, he didn’t just add a few modern tweaks. He ditched the entire concept and rebuilt it from the ground up. Forget cute wide-eyed blobby animals and pixel-poop. This Raspberry Pi-powered project ditches nostalgia in favour of brutal realism: inflation, burnout, capitalism, and the occasional existential crisis. Think Sims meets cyberpunk, rendered charmingly in Python on a low-res RGB LED matrix.

Instead of hunger and poop meters, this dystopian pet juggles Maslow’s hierarchy: hunger, rest, safety, social life, esteem, and money. Players make real-life-inspired decisions like working, socialising, and going into education – each affecting the stats in logical (and often unfair) ways. No free lunch here: food requires money, money requires mind-numbing labour, and labour tanks your rest. You can even die of overwork à la Amazon warehouse. The UI and animation logic are all hand-coded, and there’s a working buzzer, pixel-perfect sprite movement, and even mini-games to simulate job repetition.

It’s equal parts social commentary and pixel art fever dream. While we have covered Tamagotchi recreations some time ago, this one makes you the needy survivor. Want your own dystopia in 64×32? Head over to [Terence Grover]’s Github and fork the full open source code. We’ll be watching. The Tamagotchi certainly is.

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A Cute Sentry Scans Your Net For Scullduggery

As long as we get to make our own network security tools, why not make them look cute? Netgotchi may not be much more than an ESP8266 running network scans and offering up a honeypot service, but it smiles while sits on your desk and we think that’s swell.

Taking inspiration from a recent series of red-team devices that make hacking adorable, most obviously pwnagotchi (and arguably Flipper), Netgotchi lives on the light side of the Force. Right now, it enumerates the devices on your network and can alert you when anything sketchy joins in. We can totally imagine customizing this to include other network security or health checks, and extending the available facial expressions accordingly.

You might not always be thinking about your network, and if you’re like us, that’s probably just fine. But we love standalone displays that show one thing in an easily digestable manner, and this fits the bill, with a smile.

Slime Mold-Powered Smart Watches See Humans Fall In Love With The Goo

Humans are very good at anthropomorphising things. That is, giving them human characteristics, like ourselves. We do it with animals—see just about any cartoon—and we even do it with our own planet—see Mother Nature. But we often extend that courtesy even further, giving names to our cars and putting faces on our computers as well.

A recent study has borne this out in amusing fashion. Researchers at the University of Chicago found that human attitudes towards a device can change if they are required to take actions to look after it. Enter the slime mold smartwatch, and a gooey, heartwarming story of love and care between human and machine, mediated by mold.

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A modern Tamagotchi PCB design and built-up prototype

Classic Tamagotchi Is Reincarnated In Modern Hardware

If you thought that Tamagotchis were a late ’90s fad that has faded from most people’s memory by now, you’d be wrong: the franchise is still alive and well today, with new models being released regularly. But even the original model from 1996, known as Tamagotchi P1, is being kept alive by a small group of enthusiasts. When ROM dumps of the original hardware began floating around the internet a couple of years ago, even those without the real thing could run these virtual pets in an emulator.

But the whole idea of the Tamagotchi hardware was that it was portable enough to carry around anywhere. If you’re among those who missed that part of the Tamagotchi experience, you’ll be pleased to know that [JC] designed OpenTama: a portable hardware platform that runs an emulated version of the original Tamagotchi P1 software. It’s about as close as it gets to those first-generation virtual pets, but with several additions that make your life easier.

The software platform is [JC]’s TamaLib which we featured last year; in effect it’s an open-source emulator that allows the Tamagotchi ROM to run on a variety of modern hardware platforms. It also contains several additional options like the ability to save and restore your progress or to select customized ROMs. The OpenTama hardware, meanwhile, is a proper 21st-century reimplementation of the original: a small, egg-sized PCB sporting an STM32 microcontroller driving an LCD or OLED display, powered by a 100 mAh battery that can be recharged through a USB-C port.

OpenTama is not limited to the TamaLib software, either: as an open-source general-purpose platform, it can also be used as a learning tool for embedded programming, so if you’ve always wanted to program your own virtual pet, or are simply looking to build a fancy egg timer, OpenTama’s GitHub page is the way to go. We’ve seen quite a few neat Tamagotchi-like projects recently: this 3D-printed one comes with a nice retro LCD screen, while this one’s giant size ensures you don’t forget to feed it.

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The PawPet board in a 3D-printed case, with a d-pad on the right and four buttons on the left. On its small monochrome screen, there's a cat-like pet looking at you.

Reject Modernity; Return To Tamagotchi

Browsing through the recent projects on Hackaday.io, we’ve found this entry by [NanoCodeBug]: a single-PCB low-power trinket reviving the “pocket pet” concept while having some fun in the process! Some serious thought was put into making this device be as low-power as possible – with a gorgeous Sharp memory LCD and a low-power-friendly SAMD21, it can run for two weeks on a pair of mere AAA batteries, and possibly more given a sufficiently polished firmware. The hardware has some serious potential, with the gadget’s platform lending itself equally well to Arduino or CircuitPython environments, the LCD being overclock-able to 30 FPS, mass storage support to enable pet transfer and other PC integrations, a buzzer for all of your sound needs, and an assortment of buttons to help you create mini-games never seen before. [NanoCodeBug] has been working on the hardware diligently for the past month, having gone through a fair few revisions – this is shaping up to be a very polished gadget!

There’s no wonder that people love to start Tamagotchi-like projects – something special happens when an electronic device invokes the same feelings that we’d get while caring for our own pet, and this project does justice to the idea. With homebrew Tamagotchi projects, there’s a trend – once hardware is finished, the software doesn’t always get to a usable stage, feeling more like an afterthought. There’s a hacker twist that should help us subvert this trend, however – [NanoCodeBug] has shared all sources with us in a GitHub repository! If you would like to help with the “software” part, you can start working on that with just a few breakouts. The board files are also there, if you feel like the boards are marvelous enough for your liking to go through modern-day component sourcing pains.

Hackers have been playing with the “pocket pet” concept here and there, to delightful and unconventional results. If you’re on the lookout for other serious Tamagotchi recreation projects, this one takes the cake – otherwise, check out this furry Tamagotchi-like Tribble pet, disarming in its cuteness! If you’re one of our mischief-minded hackers, we have two posts to keep you entertained – one about dumping ROM on newer Tamagotchi toys, and another about building a WiFi-cracking one. And when it comes to the spirit of “what we have on hand” builds, this giant desktop-sized LED matrix Tamagotchi fits the bill pretty well!