Button
![IMG_20220527_092629.jpg](/proxy/?url=https://content.instructables.com/F1A/D3IY/L3OGHA03/F1AD3IYL3OGHA03.jpg&filename=IMG_20220527_092629.jpg)
it will be able to sense modern and will light up and make sound based on it
![Screen Shot 2022-05-20 at 9.37.34 AM.png](/proxy/?url=https://content.instructables.com/FIN/4V52/L3EGD7G4/FIN4V52L3EGD7G4.png&filename=Screen Shot 2022-05-20 at 9.37.34 AM.png)
Go to maker case.com and copy the dimensions to what is shown in photo then cut holes for sensors and then cut
![Capture.PNG](/proxy/?url=https://content.instructables.com/FAT/U386/L3OGH9WI/FATU386L3OGH9WI.png&filename=Capture.PNG)
Grab your ultrasonic sensor and plug in wires as shown and then grab the argrino and plug in wires
![IMG_20220523_095431.jpg](/proxy/?url=https://content.instructables.com/FYL/ZQQ4/L3OGH9WG/FYLZQQ4L3OGH9WG.jpg&filename=IMG_20220523_095431.jpg)
Tape the sensors into the holes and then wire them into the argino as shown
![IMG_20220523_093630.jpg](/proxy/?url=https://content.instructables.com/FN9/G69I/L3OGH9WF/FN9G69IL3OGH9WF.jpg&filename=IMG_20220523_093630.jpg)
once connected use it and test Wirth computer too see if lights up
![IMG_20220525_103207.jpg](/proxy/?url=https://content.instructables.com/F5X/OAFL/L3OGH9WH/F5XOAFLL3OGH9WH.jpg&filename=IMG_20220525_103207.jpg)
Put the mini bred bored in and plug iun wires as shown in photo after plugging in and then wire it to all of the other ones in the box