Perhaps one further clarification: the app currently only reads the 'speed' portion of the data sent by the sensor, I wonder if that is somehow related to your problem... Is there a way to set the sensor to 'speed only' mode?
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.
Perhaps one further clarification: the app currently only reads the 'speed' portion of the data sent by the sensor, I wonder if that is somehow related to your problem... Is there a way to set the sensor to 'speed only' mode?