Get your own copy

First download the compiler

Next purchase the personality file
Choose the proper Teensy type--
Teensy 3.1
Teensy 3.0

The file will automatically be emailed to your PayPal email address after your order is placed (check your spam folders if you don't see it).

Copy the file

into the
/Program Files (x86)/Coridium/Freescale directory


BASIC for Teensy3.0/3.1 for $5
Coridium has ported our BASIC compiler to other popular platforms, now the Teensy. You can download a copy for personal or educational use for just $5.
The BASIC includes floating point, string processing, direct access to hardware, interrupts, and file system access to an SDcard. Library routines for I2C, SPI, LCD and one-wire devices are available.
Contact for commercial use or other CPU ports. Integrated BASIC language support for Ethernet DHCP, email, webpage service, and UDP can be built into the custom commercial version.



  • 48 MHz ARM M4 32-bit CPU (MDK20DX256)
  • Programmable in a compiled BASIC
  • Operates faster than 10 million BASIC lines per second
  • IEEE 754 floating-point support


  • 1.4’ x 0.7”


  • 256K Flash memory
  • 64K RAM memory
  • 2K EEROM memory
  • optional SDcard via SPI


  • Less than 50 mW
  • powered from USB


  • 34 TTL compatible, 2.4V threshold, 5V tolerant
  • 21 x 13 bit analog A/Ds
  • 12 bit analog output