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I just got my Arduino Mega controlling the MyKeeopn, and a few notes that people might find useful:
didn't need a 5v 3.3v converter, because I2C uses open-drain pins. Just connected both the I2C lines to the +3.3V supply from the Keepon through some pullup resistors
needed to manually change the Arduino I2C frequency from 100khz to 25khz (which is the Keepon's I2C freq) by adding this line before beginning any Wire commands (adds a 4x prescaler to the TWBR register):
sbi(TWSR, TWPS0);
Thanks qdot for all the info, it was really helpful!
The text was updated successfully, but these errors were encountered:
Original comment: http://disq.us/6iwldk?imp=cce7d05a-a21a-43d8-941c-a3e31ea21eee&thread=465932670&zone=email_notification&event=shortener_click
I just got my Arduino Mega controlling the MyKeeopn, and a few notes that people might find useful:
sbi(TWSR, TWPS0);
Thanks qdot for all the info, it was really helpful!
The text was updated successfully, but these errors were encountered: