This Web Server Runs on a Single 8-Bit Microchip
An 8-bit AVR microcontroller isn’t exactly a beast in terms of computing power, but in the right hands, these chips can still do some amazing things. Over the years, you’ve probably seen all sorts of Arduino-based robots, game consoles, and productivity tools that are powered by an AVR chip. Just recently, a maker known as Maurycyz has taken AVR hacking one step further by developing a public web server that runs on one.
The specific chip used for the server is a Microchip AVR64DD32. It has just a single 8-bit AVR core running at up to 24 MHz with 8 kB of SRAM and 64 kB of flash memory. No, that isn’t much, but Maurycyz managed to not only build a web server within these constraints but also handle network connections.
The circuit diagram (📷: Maurycyz)
Rather than using a dedicated Ethernet controller for networking, the project takes a more...
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