Figma: the collaborative interface design tool.
https://www.figma.com/embed?embed_host=notion&url=https%3A%2F%2Fwww.figma.com%2Fproto%2FlKnkwknBdFdac09fNiS7O6%2FESP32-contorller%3Fnode-id%3D1%253A2%26scaling%3Dscale-down%26page-id%3D0%253A1%26starting-point-node-id%3D1%253A2