4 ms·

You were powering it through the protection diodes. Some 10-15 years ago someone built dirt simple radio tags this way. Just a microcontroller, with a capacito

by phaker 5y ago

You were powering it through the protection diodes. Some 10-15 years ago someone built dirt simple radio tags this way. Just a microcontroller, with a capacitor and an antenna trace connected to some io pin. I loved that hack.

myself248 5y ago
https://scanlime.org/2008/09/using-an-avr-as-an-rfid-tag/ https://scanlime.org/2008/09/using-an-avr-as-an-rfid-tag/
- abraae 5y ago
  Incredible hackery.