Man uses Raspberry Pi to build actual working cellphone for $158

Raspberry Pi-using tinkerer David Hunt—who previously built a bark-activated door opener for dogs—is at it again with a real, working cellphone powered by the tiny computer and a few other items.

“PiPhone” cost Hunt $158 to build with these components, all held together with cable ties:

“As you can see from the cost of the components, you’d be FAR better off going into your local phone store and picking up a normal smartphone, but hey, where’s the fun in that?” Hunt wrote on his blog today. “I got a great kick out of the first phone call I made with this thing. And it won’t stay in one piece for long, I’ll be using those parts for other projects very soon!”

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