The power and groud pin in the 3-Axis Accelerometer Module is the not same as Electronic Brick Chassis IIC port,your document have a mistake.As you see Electronic Brick Chassis IIC port it is vcc ,gnd,sda,scl.
The power and groud pin in the 3-Axis Accelerometer Module is the not same as Electronic Brick Chassis IIC port,your document have a mistake.As you see Electronic Brick Chassis IIC port it is vcc ,gnd,sda,scl.