OLIMEX MOD-IO User Manual page 15

Open-source hardware uext extension board with relays
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OLIMEX© 2020
MOD-IO user's manual
To read digital inputs:
# i2cget -y -f 2 0x58 0x20 c
To read analog value of IN1:
# i2cset -y -f 2 0x58 0x30
# i2cget -y -f 2 0x58 w
To change address to 0×22:
# i2cset -y -f 2 0x58 0xF0 0x22
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