If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
Current time:0:00Total duration:4:35

Video transcript

all right so we're almost there now what we're going to do is we're going to wire our LEDs so our our eyes so that they light up and we're going to use the other sliding single-pole double-throw switch to do that so we're going to take our needle nose and again we'll put a little loop in the white wire that we had remaining from our previous that we made earlier in the videos and we're going to loop that around one of our remaining contacts on our single-pole double-throw switch and again it's a little tricky you want to make sure that you get a pretty tight loop oh and then you'll you'll push it around that contact and once you've got it on there you can take your single oh sorry you can take your needle nose pliers and just make sure that it's crimped tightly against the terminal that's exposed from the switch there and again you want to make sure that it's not touching any of the other terminals so if it is this which will always stay on and it won't work properly so okay so I'm just twisting it very tightly here to make sure that it's very firmly connected okay so now what we need to do is we need to connect another wire to our resistor leads from our LEDs that we created earlier in the previous videos and I'm going to go ahead and Bend this other terminal on the switch out of the way that we don't need and again that's the one that's that's on the far side of the sliding switch there okay so now we have our our wire from our battery which is our negative wire and we're going to connect back to our resistors and we're just stripping off a little piece of we're using the white wire again I'm going to strip off a little piece of the white wire there and again we'll take off about a quarter of an inch on both sides and three-eighths of an inch will work - generally speaking if you take just a little bit more insulation off it's a little easier because you have a little bit more wire to loop around but it also means that you have more that you have to cover up once you're done so it's kind of a tricky but quarter of an inch works for me in any case I can just use the wire strippers there and pull the wire if you wiggle it around a little bit it'll it'll come out and strip off the wire there and again we're going to take our needle nose pliers and we're going to loop these around and create the loop to go over the terminal there once we have the loop done we'll use our needle nose pliers to crimp it in place okay so once it's crimped in place we can hot glue it and one of the things I should have done is I should have tested to make sure these contacts were in fact um tightly connected before I hot glued it but I was pretty sure they were so I went ahead and hot glued it in the interest of time but when you're making this you're going to want to test that switch and you can use the LEDs there to make sure that everything is connected properly before you hot glue it because again if it's not it's more of a pain to take the hot glue out and redo everything okay so now we're going to connect our LEDs to the remaining wire that we have on our switch and that's going to allow us to complete the circuit and turn on the eyes of our spout bot so we can take the two leads from our resistors and touch them there and make sure that all the power is flowing out is how it should be and so you can see how the switch will allow us to turn that on off and so we're going to twist those resistor leads together and then we're going to wrap them around the white wire the exposed part of the white wire and that will allow us to complete the circuit and light up the light up the LED lights or the eyes of our spout pot okay so once the eyes have been connected and the wires are twisted together I'm going to make sure they're twisted very tightly together we'll make sure the wires that are exposed are separated so they don't short and then we're going to turn the switch on and off and see if our eyes light up and they do so we cut a little piece of electrical tape about a half of an inch square and we're going to use that electrical tape to basically cover over the exposed wire that we just twisted together to ensure that it stays connected and that it's insulated