Hi All, Today I'm showing how I will connect all the sensors to an Arduino, because each of the four test units has multiple sensors I am going to use this Arduino MEGA Sensor Shield, this not only allows for a large number of inputs but also makes the wiring for the external power supply easy
**UPDATE** I have since found out that removing the jumper next to the blue Terminals (external power supply) will disconnect the link between the 5V rail (connecting to the Arduino) and the External power supply terminals. So if required a voltage other than 5V for example 12v or 3v this will be supplied from the external power supply terminals into the voltage rails for the sensors / servos etc..
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