pico-heartbeat is a tiny, C-first “firmware is alive” helper for Raspberry Pi Pico SDK projects: add it, call pico_heartbeat_start(), and your on-board LED shows a heartbeat without blocking delays.
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT)) set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT}) if (DEFINED ENV{PICO_SDK_FETCH ...