From the course: Raspberry Pi Weekly

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Rotary phone: Speaker

Rotary phone: Speaker - Raspberry Pi Tutorial

From the course: Raspberry Pi Weekly

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Rotary phone: Speaker

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- I found an old rotary phone. It's delightfully mechanical with a dial, bell, and handset, and I couldn't resist opening it up, and once inside, couldn't resist adding a Raspberry Pi. This week, let's look at connecting the phone speaker to Raspberry Pi audio. Hi, I'm Mark Niemann-Ross, and welcome to this week's edition of Raspberry Pi Weekly. Every week, we explore the Raspberry Pi and share useful tips. Connecting the phone speaker to the Raspberry Pi is best done through the standard audio connection on a Raspberry Pi. Use a standard one-eighth inch audio plug and connect the two wires. Plug that into the audio jack on the Raspberry Pi, and connect one side to ground, and the other side to the speaker. The easiest way to tell which lines connect to the speaker in the handset is just to simply open up the handset, and look at the color of the wires coming out of the back of the handset speaker. In this case, it's…

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