cmake_minimum_required(VERSION 3.13...3.27) include(../pico-sdk/pico_sdk_init.cmake) project(my_project) pico_sdk_init() add_executable(ssd1306_i2c ssd1306_i2c.c) # Include hardware_i2c! target_link_libraries(ssd1306_i2c pico_stdlib hardware_i2c) pico_add_extra_outputs(ssd1306_i2c)