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Sparkfun article on I2C [https://learn.sparkfun.com/tutorials/i2c]
 
Sparkfun article on I2C [https://learn.sparkfun.com/tutorials/i2c]
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== Module 0: Safety ==
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* We're here to help you! Ask us if you have any questions.
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* When working with LEDs, make sure to add a resistor to avoid frying the LEDs.
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* When working with the Feather, make sure to ''' never connect any of the ground pins to the 3.3 V pins '''. Since we're working remotely this quarter, it'll be difficult to send replacement parts. 
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* '''Disconnect the Feather from its battery and micro USB connection when rewiring anything on the breadboard.''' This makes it less likely to accidentally connect the GND and 3.3 V pins and cause a short, which could damage your board.
    
== Module 1: Intro ==  
 
== Module 1: Intro ==  
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