If you are having problems with the USBCDC driver not working properly on Snow Leopard with the Pico since 1v92 (was working fine until 1v91), I have compiled a newer AppleUSBCDC that works fine.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
If you are having problems with the USBCDC driver not working properly on Snow Leopard with the Pico since 1v92 (was working fine until 1v91), I have compiled a newer AppleUSBCDC that works fine.