Yes, depending on the baud rate of the serial port you'll find that it'll struggle to transfer significant amounts of data. For example 9600 baud is only around 1000 bytes/second.
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.
Thanks! I'll update that.
Yes, depending on the baud rate of the serial port you'll find that it'll struggle to transfer significant amounts of data. For example 9600 baud is only around 1000 bytes/second.