Light Box Easy
https://www.instructables.com/DIY-tracing-light-bo...
This is the project that I'm inspired to. I change some of the part of the project.
First, I use just two LED light from Arduino to make the light shine, in order to trace the drawing in side the light.
我改了他的程式碼,原本他是白色但我把它改成藍色,為了讓圖比較明顯易見。外面在一隻紙就可直接描繪圖案。