Using a logic analyzer will greatly improve the learning experience as may be seen reviewing these images with the embedded protocol decoders:
Programming the Ublox NEO-6M GPS configuration
@Robin 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.
Using a logic analyzer will greatly improve the learning experience as may be seen reviewing these images with the embedded protocol decoders: