The venerable ESP8266 has rocked the Internet of Things world. Originally little more than a curious $3 WiFi-to-serial bridge ... Was it possible to send/receive 1.5kB frames?
The end result is a USB stack running on the ESP8266 WiFI module ... board emulates low-speed USB (1.5 Mbps), and isn’t really fast enough for storage, serial, or any of the fancier things ...