Glad you got it sorted! When interfacing with SPI, getting 255 is often a sign that one or more of MISO or MOSI is connected wrong
@Gordon 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.
Glad you got it sorted! When interfacing with SPI, getting 255 is often a sign that one or more of MISO or MOSI is connected wrong