课程: Raspberry Pi Weekly

免费学习该课程！

今天就开通帐号，24,600 门业界名师课程任您挑！

Rotary phone: Intro and switches

Rotary phone: Intro and switches - Raspberry Pi教程

课程: Raspberry Pi Weekly

开始一个月试用 购买团队方案

Rotary phone: Intro and switches

“

- I found an old rotary phone. It's delightfully mechanical, with a dial, bell and handset. I couldn't resist opening it up and once inside, couldn't resist adding a Raspberry Pi. Adding modern electronics to a device from 1970 might seem like a waste of time, but what I found was a series of real-world challenges solved by technologies we've explored in this course. So let's spend a few sessions solving the problems that pop up when we graft a Raspberry Pi to a mechanical device, such as this old phone. 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. My first thought was to locate a schematic diagram for the phone, which identified switches, transformers, speakers, microphones, lights and dials. And I found one, but quickly realized it was useless. I decided to gut the phone of any old circuitry and interface directly…

内容