Hardware Overview - sparkfun gator:particle Hook-Up Manual

We would also recommend taking a look at the following tutorials if you aren't familiar with them.
Getting Started with the micro:bit
The BBC micro:bit is a compact, powerful programming
tool that requires no software installation. Read on to
learn how to use it YOUR way!
How to Load MicroPython on a Microcontroller
This tutorial will show you how to load the MicroPython
interpreter onto a variety of development boards.

Hardware Overview

The gator:particle consists of 4 pads for power and data.
Contacts Direction
GND N/A
3.3V
SDA Bi-directional
SCL
Power
Board
Description
Ground: Reference voltage and ground loop.
In Power: Provides 3.3V to board.
Data: Data and commands are transmitted between the sensor and
microcontroller.
Clock: The microcontroller provides the timing needed to communicate on
In
the data line.
Getting Started with MicroPython and the
SparkFun Inventor's Kit for micro:bit
Learn MicroPython with the micro:bit.
SparkFun gator:bit v2 Hookup Guide
The gator:bit v2 is a breakout board for the BBC
micro:bit. The gator:bit exposes almost every pin on the
micro:bit to clippable pad with circuit protection. It also
has as built-in addressable LEDs and a built-in buzzer.