The MCP23017, a 16-bit I2C GPIO expander ... may your shelved boards magically turn out to have a compatible pinout.
It connects to the mcp2307 with two GPIO pins of your own choice. The API is very arduino:like, here is the mandatory blinky example: #include "mcp23017/mcp23017.h" .... // setup MCP23017_Self mcpSelf ...
The MCP23017 is an I2C bus GPIO expander. This is an demonstration application for the ESP32 in the ESP-IDF environment. To use this application, you must have the ESP-IDF environment installed. After ...
The MCP23017, a 16-bit I2C GPIO expander ... may your shelved boards magically turn out to have a compatible pinout.
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