This is an old revision of the document!
Raspberry Pi 3 Model B/B+ | $30 (either model B or B+ should work fine) |
8GB or larger MicroSD memory card | $5 eBay |
USB Power Adapter | $5 eBay |
USB to serial RS-232 interface adapter | $5 eBay. Make sure it is Linux compatible. |
Serial RS-232 Null Modem cable FEMALE/FEMALE or a Null Modem F/F Adapter | $5 eBay |
Total project cost | ~ $50 |
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You can also choose to use a Raspberry Pi Zero which will save you some $15 from the total price, but for the sake of simplicity, we'll be using the Raspberry Pi 3 Model B on this tutorial. I've only tested these two Raspberry Pi's, but I see no reason why Virtual Modem wouldn't work with any Raspberry Pi or even other Linux platforms.
On to the next chapter!