instructables: Make Your Own Cell Phone from Scratch by mellishttp://www.instructables.com/id/Make-your-own-cellphone-from-scratch/

instructables: Make Your Own Cell Phone from Scratch by mellishttp://www.instructables.com/id/Make-your-own-cellphone-from-scratch/

tags: Treasure trove,

from: https://badrock.tumblr.com/post/132359303934