To get this nifty Spaceball user interface working, we're using a USB to RS-232 adapter cable. But for the next step in this project we'll want to use a Feather board. In order to connect to the DE-9 port safely, we need to convert the TTL serial on a Feather (0-3V logic) to +-6~10V inverted logic. Thankfully, there are chips that make it easy - they even have built in switched-cap converters to create the +6V and -6V logic rails! Let's find one that we can use to make an adapter FeatherWing with.See on Digi-Key here! https://www.digikey.com/short/5jrm33hrSee other episodes of The Desk of Ladyada in the playlist here https://www.youtube.com/playlist?list=PLjF7R1fz_OOXUtaFu7-_D1UCugC8OecKvand other Great Searches in the playlist here.https://www.youtube.com/playlist?list=PLjF7R1fz_OOVHqJN28IbXLBj1FKCxw-xDVisit the Adafruit shop online - http://www.adafruit.com-----------------------------------------LIVE CHAT IS HERE! http://adafru.it/discordAdafruit on Instagram: https://www.instagram.com/adafruitSubscribe to Adafruit on YouTube: http://adafru.it/subscribeNew tutorials on the Adafruit Learning System: http://learn.adafruit.com/
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