Red Pitaya V1.1 is an open-source measurement and control tool designed as a single unit, the size of a cedit card, that can replace many expensive laboratory instruments. It is renowned for unleashing the creativity of its users, which makes it an instrument of choice not only for industry professionals and research workers but also for teachers and students. The Red Pitaya V1.1 Diagnostic Kit comprises: Red Pitaya V1.1 open source instrument ( 901-0302 ); 2 oscilloscope probes; 2 adaptors SMA(M) to BNC(F); micro USB power supply adaptor ( 765-3311 ); micro SD 4 GB secure digital card.