https://community.m5stack.com/tags/color unitRSS for NodeSun, 15 Mar 2026 10:58:02 GMTInvalid Date60@crami25 Thanks for the comprehensive reply. It really helps to deepen my understanding. As you pointed out, I always check the M5 Unit's schematic first to assure the protective resistors when I connect the Units to an ESP developing board.

]]>https://community.m5stack.com/topic/1820/ext-io-unit-and-uiflow-1-4-5-1https://community.m5stack.com/topic/1820/ext-io-unit-and-uiflow-1-4-5-1Invalid Date