Comments (1)
caternuson
commented on August 29, 2024
Does each board need to have its own I2C address?
Yes. Use the address pins to set unique addresses for each:
https://learn.adafruit.com/adafruit-attiny817-seesaw/pinouts#seesaw-i2c-address-pins-3104183-8
and then pass in the non-default addresses when calling begin:
https://adafruit.github.io/Adafruit_Seesaw/html/class_adafruit__seesaw.html#a89d53d9ef5afd6cef0449962de34d90a
Does each board have to have its own interrupt line to signal GPIO transitions or are they ganged?
Yes
https://learn.adafruit.com/adafruit-attiny817-seesaw/pinouts#seesaw-interrupt-pins-3104178-7
Can you bulk-poll both boards with one command?
No. Each would be a separate I2C device that you would communicate with separately.
from adafruit_seesaw.
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