PROTO 13.2 is a universal DIY proto module in the m5stack stack module series, with a height of 13.2mm. You can easily build your own custom circuits by using this module. You can design and build the prototype circuit according to your own needs, and interact with the M5 Core on the top layer through M-BUS. There are HY2.0 4P, DC power socket, VH3.96 and other common openings on the board, so it is very simple to use.