MCP23008 IO Expander - LCD1602

Now I have completed the point to point soldering of the MCP23008 + ULN2803 board.

I used the i2cdetect thing to detect that there are 4 I2C devices on the bus.

0x22 = MCP23017 #1

0x24 = MCP23008 #1

0x25 = MCP23008 #2

0x26 = MCP23008 #3

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