A relatively underwhelming ARM development board to begin with that was upgraded to a very reasonably performing quad-core CPU in February 2015 and got built-in Wi-Fi in February 2016, and which eventually gave its name to an entire family of devices, from the Pi Pico to aarch64 boards.| Tao of Mac
Arm Launches the Cortex-M52 For IoT; Its Smallest Processor with Helium| WikiChip Fuse