The BreadBee is a very compact single-board computer that runs Linux. Developed by Daniel Palmer, the BreadBee features 64 MB of RAM, an MStar MSC313E Cortex-A7 SoC, two multi-pin headers and an RJ45 Ethernet port.
https://www.notebookcheck.net/BreadBee-A-tiny-alternative-to-the-Raspberry-Pi-Zero-that-supports-Linux-and-costs-just-US-10.461781.0.html