March Madness/Day 15
This is a simple program for using a Matrix keypad over I2C. the I2C port expander used is an MCP23017, with the columns connected on GPB0-2, and the rows connected on GPB4-7.
This is a simple program for using a Matrix keypad over I2C. the I2C port expander used is an MCP23017, with the columns connected on GPB0-2, and the rows connected on GPB4-7.