To connect the Sensor Bridge to your computer you simply connect a USB cable to the Sensor Bridge and your computer. The ‘ON’ led light should light up on the Sensor Bridge board.
On some computers, the Sensor Bridge will not be recognized without installing the CH340G driver, installation instructions are here
Connecting a sensor is simply plugging the white connector on the sensor’s cable to one of the white connectors on the Sensor Bridge. The connector only fits one way, so make sure it’s facing the right way. If the Sensor Bridge is on, the led lights for the connected sensors should light up.
Read more on the specific sensors here