Can you go  go on to the next slide.
Mm-hmm.
So uh this is the circuit board. The green one is a circuit board. Actually , uh building a circuit bo board is pretty pretty uh easy and also it's a it's a l l inexpensive. Uh it's it costs less than what you print on a paper , because uh  uh when you  when you are building uh some circuits  some um uh circuits and also wires , it's it's better to go for printing , because uh you can build these kind of k circuit boards on a on a bulk and it's just printing , nothing like uh , you know , you don't need to use wires and all.
Mm-hmm.