DigiSpark Expander

[last updated: 2016-11-14]
Current Status: just getting started ...
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The DigiSpark Expander shield uses a PCF8574P chip, with 8 I/O ports. Three i2C address lines are hard-wired, but default is 0x20.

i2C pins are:

• Digispark P0 → SDA
• Digispark P2 → SCL

DigiSpark Expander

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eof