If you are troubleshooting or cloning the board, here are the most common component values observed across multiple Ver 1.3 iterations:
or to integrate the board into custom lithium-ion battery packs. Without the schematic, identifying a "blown" SMD (Surface Mount Device) component is nearly impossible, as the markings on the tiny parts are often proprietary or damaged by heat. bm5291 ver 1.3 schematic
: Individual connections to each cell (VC1, VC2, etc.) to monitor balanced charging and health. Standard Pin Functions If you are troubleshooting or cloning the board,