Atomic ToChain Base is a Chain interface adapter board specifically designed for the Atom series controllers. It conveniently converts the Atom controller’s bottom expansion I/O into a male HY2.0-4P connector, enabling easy access to M5Stack Chain series devices. The adapter board includes reserved solder pad designs, allowing flexible configuration of how the Atom bottom I/O is connected. With this adapter, users can achieve seamless extended connectivity between Atom and Chain series devices, unlocking more application possibilities. Features Atom controller expansion for Chain devices Reserved solder pad design for flexible IO pin mapping Includes 1 x Atomic ToChain Base 1 x Hex Key L-Shape 1.5mm (For M2 Screw) 1 x M2 * 6mm Screw (pan head, self-tapping) Applications Atom series controller Chain interface adapter board Specifications Specification Parameter Product Size 31.0 x 24.0 x 11.8mm Product Weight 4.3g Package Size 138.0 x 93.0 x 13.0mm Gross Weight 7.7g