Edit README.md

README.md

@@ -4,6 +4,9 @@
 
 This code implements a USB speaker streaming audio to an I2S device, based on [Phil Schatzmann's port](https://www.pschatzmann.ch/home/2024/10/13/tinyusb-audio-on-an-rp2040-in-arduino/) of the TinyUSB Audio class for the rp2040.
 
+An example board is available on How to Make (Almost) Anything's website:
+[https://academy.cba.mit.edu/classes/output_devices/](https://academy.cba.mit.edu/classes/output_devices/)
+
 ## Dependencies
 
 This code uses the [Arduino pico](https://github.com/earlephilhower/arduino-pico) core, and two libraries: