Chain Mount — Structural Expansion Node The Chain Mount is a structural expansion node in the M5Stack Chain series. The front panel includes two LEGO‑compatible mounting holes , making it easy to connect and extend structural components. Inside, the PCB comes pre‑soldered with two HY2.0‑4P interfaces , directly linked for seamless daisy‑chaining with other M5Stack Chain devices—without affecting their original functions. Perfect for DIY builders who want to create more diverse interactive applications. Features LEGO‑compatible mounting hole design Part of the M5Stack Chain series 2 × HY2.0‑4P expansion interfaces for horizontal Chain‑series expansion Includes 1 × Chain Mount 1 × Chain Bridge Applications DIY expansion for M5Stack Chain series projects Specifications Specification Parameter Product Size 23.9 x 23.9 x 16.0mm Product Weight 8.5g Package Size 138.0 x 93.0 x 13.0 Gross Weight 13.9g Schematics Chain Mount Schematics PDF Model Size Chain Mount Model Size PDF