Author Archives: Natalie Silvanovich

Emulating the Tamagotchi Friends with an RFIDler

I got an RFIDler (thanks, Mudge) and wanted to see if I could get it to emulate a Tamagotchi Friends. My Proxmark having experienced an unfortunate demise in [..]

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Hardware Excuse Generator

Circuit not working and don’t know why? Save yourself the work of making up a plausible explanation! Just enter your text into the following form, adding in REASON [..]

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Printable SSL Posters

I’ve uploaded a printable set of SSL posters. Having learned from past poster experience, the posters are clearer and in a larger array of sizes. Feel free to [..]

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Tamagotchi Friends Growth Chart

I reversed the ‘evolve’ function in the Tamagotchi Friends to make the first ‘growth chart’ for this Tamagotchi version. Growth on the Tamagotchi Friends is determined by how [..]

Tamagotchi, Tamagotchi Friends

Tamagotchi Friends Code Dump

I used voltage glitching to dump the code of the Tamagotchi Friends. Recently, I experimented with the EEPROM of the Tamagotchi Friends. I didn’t manage to get code [..]

Tamagotchi, Tamagotchi Friends

Tamagotchi Friends EEPROM

I dumped the EEPROM of the Tamagotchi Friends and altered it to see if it could be used achieve code execution on the device. The Tamagotchi Friends’ processing [..]

Tamagotchi, Tamagotchi Friends

Emulating the Tamagotchi Friends NFC

I used a Proxmark 3 to emulate the Tamagotchi Friends’ NFC. This confirms it is indeed low-frequency RFID, and shed some light on the NFC format.

Tamagotchi, Tamagotchi Friends

Tamagotchi Friends Modulation

I tried decoding the Tamagotchi Friends NFC with a Proxmark 3, but had limited success, so I went back to looking at it with an oscilloscope. I was [..]

Tamagotchi, Tamagotchi Friends

Playing with the Tamagotchi Friends RFID

I recently got a Proxmark 3, and used it to read the NFC of the Tamagotchi Friends. This allowed me to get some data on the protocol.

Tamagotchi, Tamagotchi Friends

Printable True Bugs Wait Posters

I’ve uploaded printable #truebugswait posters. You can download the full set 8 1/2 x 11 (A4) here (PDF here), and 11×17 (A3) here (PDF here). Everyone is free [..]

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