The schematic diagram for the Romi 32U4 Control Board is available as a PDF: [https://www.pololu.com/file/0J1258/romi-32u4-control-board-schematic-diagram.pdf Schéma de la carte contrôleur Romi 32U4] (''646 Kb, pdf''). | The schematic diagram for the Romi 32U4 Control Board is available as a PDF: [https://www.pololu.com/file/0J1258/romi-32u4-control-board-schematic-diagram.pdf Schéma de la carte contrôleur Romi 32U4] (''646 Kb, pdf''). |