I managed to get the USB host shield working in July 2018 and then completely forgot about it for a year. Oops! I just did a write-up (with source code) on Hackster.io: https://www.hackster.io/gerrit-niezen/adding-usb-host-support-to-espruino-2c494d
@gendor started
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.
I managed to get the USB host shield working in July 2018 and then completely forgot about it for a year. Oops! I just did a write-up (with source code) on Hackster.io: https://www.hackster.io/gerrit-niezen/adding-usb-host-support-to-espruino-2c494d