Ocean: MCP23017 IO Expansion Board for Raspberry Pi, Micro:bit, Arduino and STM32.

Ocean: MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO Expansion Board can be used at the same time, providing up to 128 I/O pins, it is compatible with both 3.3V and 5V levels.

Wiki: http://www.cqrobot.wiki/index.php/MCP23017_IO_Expansion_Board_SKU:_CQRMCP23017A

SPECIFICATION

Sensor Specifications

• Operating Voltage: 5V/3.3V
• Interface: I2C (JST PA SMT 6-Pin interface to 2.54mm pitch pin header interface)
• Interrupt Pins: INTA, INTB
• Expansion I/Os: 16
• Dimension: 45.24mm * 31.79mm
• Mounting Hole Size: 3.0mm

Ocean Wire Specifications

• Cable specifications: 22AWG
• Material: Silicone
• Withstand Voltage: Less Than 50V
• Withstand Current: Less Than 1000MA
• Length: 21cm
• Line Sequence: Black-negative power supply, Red-positive power supply, Green-SDA, Blue-SDA, Yellow-INTA, Orange-INTB.

DISTRIBUTION LIST

1 * MCP23017 IO Expansion Board

1 * Ocean-JST-PA SMT 6-Pin 21cm Wire