TeensyROM is a ROM emulator, fast loader, MIDI and Internet cartridge for the Commodore 64/128 based on the Teensy v4.1 microcontroller board. TeensyROM now supports an NFC Loading System. Just tap an NFC tag on a reader to start any program. Designed with medium soldering skills in mind.

Load disk images, PRGs, P00s, CRTs from flash drive, on-board flash storage, microSD card, or across the network. Plug a MIDI device into the USB port and play your SID chip in realtime; works with many composition and sequencing packages. Works with modern Commodore networking software, emulates a modem for terminal emulators. Configuration stored in on-board non-volatile storage.

Plug in the MAC address of a network card or Bluetooth device and it'll tell you who manufactured it.