A few things that have arrived while I have been busy setting up the new lab space.
AppliedScience Youtube Channel: https://www.youtube.com/appliedscience
Unexpected Maker
https://www.youtube.com/unexpectedmaker
https://www.crowdsupply.com/unexpected-maker/tinypico
STM32 boards:
https://www.amazon.com/gp/product/B00V7LAFUQ
https://www.amazon.com/gp/product/B00V7KRKZA
https://www.amazon.com/gp/product/B079B95L9Y
USB over CAT5 extenders
https://www.amazon.com/gp/product/B003L14ZTC/
CQRobot speakers https://www.amazon.com/gp/product/B0738NLFTG\
Adafruit speakers https://www.amazon.com/gp/product/B00QSJ1HA4
Adafruit MEMS microphone https://www.amazon.com/gp/product/B06XNL2GBW
Adafruit other microphone https://www.amazon.com/gp/product/B015HKGPCY
Adafruit i2s amplifier board https://www.amazon.com/gp/product/B01MXYBVKZ
Pololu stepper driver board https://www.pololu.com/product/3138