MCP23017 I2C Port Expander¶
You can easily add more GPIO connections for an ESP8266 using a port expander. This example demonstrates how to do that with a common I2C port expander.
If you need a faster connection, see MCP23S17 SPI Port Expander.
References¶
- Source Code
- Sming (main) Component
- MCP23017 I2C Port Expander Library