You are reading a single comment by @Wilberforce and its replies.
Click here to read the full conversation.
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.
@Wilberforce
If you take out the print it would probably keep up- you could add 1 sec timeout and print the value of step there rather than every time it changes.
The uart output is your bottleneck here.