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 :sample:`PortExpander_MCP23S17`.
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 :sample:`PortExpander_MCP23S17`.