Learn guide
https://learn.adafruit.com/led-matrix-hourglass/
Code on Github
https://github.com/adafruit/Adafruit_Learning_System_Guides/tree/master/CircuitPython_LED_Sand_Hourglass
YouTube Video
https://youtu.be/sO3tqN-1lj8
John Lewis: Good Trouble – Documentary
https://www.johnlewisgoodtrouble.com/
Stop hate for profit campaign
https://blog.adafruit.com/2020/06/21/stop-hate-for-profit-campaign-stophateforprofit-pulling-ads-from-facebook-joining-thenorthface-patagonia-rei-and-more-adafruit/
Black Girls Code – Circuit Playground Express
https://www.adafruit.com/product/2599
Hourglass project inspired by @david_proyectos
https://www.instagram.com/david_proyectos/
IR break beam sensor on GrabCad
https://grabcad.com/library/ir-break-beam-sensor-5mm-leds-1
Feather Sense
https://www.adafruit.com/product/4516
Mini 0.8in Yellow LED Matrix and Backpack
https://www.adafruit.com/product/871
Small 1.2in Yellow LED Matrix and Backpack
https://www.adafruit.com/product/1050
400mah Battery
https://www.adafruit.com/product/3898
Slide Switch
https://www.adafruit.com/product/805
4pin JST-SH cable
https://www.adafruit.com/product/4397
4pin JST-SH connector
https://www.adafruit.com/product/4208
10-wire silicone cable
https://www.adafruit.com/product/3890
1.75mm Silk Gold PLA
https://amzn.to/2NXPHvV
2.85mm Silk Gold PLA
https://amzn.to/2Z3WSZF
Timelapse Tuesday:
Playing Card Holder – kwalus
https://www.thingiverse.com/thing:95818
https://youtu.be/nmx3NNzzlm0
Layer by Layer CAD Tutorials Playlist:
https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb
3D Parts Library on GitHub
https://github.com/adafruit/Adafruit_CAD_Parts
Liz Clark – @BlitzCityDIY
https://www.youtube.com/channel/UCbAUKL7V6OOGumQEeDMYQvQ