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Restoring Starlink’s Missing Ethernet Ports
Internet connectivity in remote areas can be a challenge, but recently SpaceX’s Starlink has emerged as a viable solution for many spots on the globe — including the Ukrainian frontlines....
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Dial-Up Is Still, Just Barely, a Thing
In an era dominated by broadband and wireless cellular networks, it might come as a surprise to many that dial-up internet services still exist in the United States. This persistence is not a mere...
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Ethernet For Hackers: Transformers, MACs And PHYs
We’ve talked about Ethernet basics, and we’ve talked about equipment you will find with Ethernet. However, that’s obviously not all – you also need to know how to add Ethernet to your board and to your...
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SatCat5: UART, SPI and I2C via Ethernet With FPGA-Based Design
Arty A7-based prototype of SatCat5 with custom switch I/O board. (Credit: The Aerospace Corporation) To the average microcontroller, Ethernet networks are quite a step up from the basic I2C, SPI and...
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On Cloud Computing And Learning to Say No
Do you really need that cloud hosting package? If you’re just running a website — no matter whether large or very large — you probably don’t and should settle for basic hosting. This is the point that...
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How DEC’s LANBridge 100 Gave Ethernet a Fighting Chance
Alan Kirby (left) and Mark Kempf with the LANBridge 100, serial number 0001. (Credit: Alan Kirby) When Ethernet was originally envisioned, it would use a common, shared medium (the ‘Ether’ part), with...
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Homebrew Network Card with No CPU
A modern normal network card will have onboard an Ethernet controller which, of course, is a pre-programmed microcontroller. Not only does it do the things required to keep a computer on the network,...
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