These USB drivers are out-of-date and not recommended for macOS "Big Sur" (macOS 11) or later. macOS 11 and later already includes Apple's own drivers for FTDI chipsets and have been shown to work with our products; no driver installation is needed.
FTDI USB Driver for Mac OS X. There are different drivers depending on the version of OS X you are using; make sure to select the correct one. These drivers are required for any Board of Education USB , Propeller development board, or other USB-based Parallax hardware. For Parallax-signed FTDI USB Drivers for Windows, click here.
Version 2.4.2
Supports Mac OS X 10.9 and above. This is signed by Apple and distributed by Parallax 8/2019.
Version 2.3
Previous version - supports Mac OS X 10.9 and above. This driver is signed by Apple.
Version 2.2.18
Supports Mac OS X 10.3 through 10.8.
For other FTDI USB drivers see http://www.ftdichip.com/Drivers/VCP.htm
