You are reading a single comment by @Vicary 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.
@Vicary
I have a few hard drive motors lying around. I am thinking of wiring the 4 pins directly to Espruino pins without a driver board, but I wonder if the chip is fast enough to get the motor running at max speed of 7200RPM.
Not sure how to calculate the pin changing rate from chip spec, any ideas?