Step 15Connect the Kill Switch
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Wheelchair robots are very powerful machines, if something goes wrong and it doesn't stop or something it WILL DO DAMAGE. This is why we need to install a mechanical kill switch. All the switch is , is a standard light switch. The switch should have either two wires or two terminals on the side of it. Just cut the negative wire that is going from the motor's battery to the relays. Now that it's cut , connect a switch in between the two wires. Very simple.