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LCD Display
#21
(2020-11-25, 05:12 PM)seandepagnier Wrote: I believe it's pin 9 of the arduino on the hat, so it's not controlled by the pi directly.

For an LED, you can do this with either pi or arduino but it's not implemented in the code directly at this time.

https://pypilot.org/schematics/pypilot_tinypilot.pdf

WOW - New schematic? 
Forgive my ignorance but it seems you are now connecting the TinyPilot to Nmea by hardwired header?
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#22
it is possible now, yes but this has not been extensively tested and the voltage is still 3v3. I would use https://pypilot.org/schematics/rs422isolator.pdf this to connect actual nmea equipment to provide the isolation and protection
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