Raspberry Photoplethysmograph

See all education development projects or see all scientific/industrial development projects

Publication

  • Nagy, Tamás, and Zoltan Gingl. "Low-cost photoplethysmograph solutions using the Raspberry Pi." Computational Intelligence and Informatics (CINTI), 2013 IEEE 14th International Symposium on. IEEE, 2013.

Instructions

Software download

Hardware and software descriptions

  • Amplitude modulation

Screenshot of the software in amplitude modulation. On the graph a typical plethysmograph signal can be seen, with the detected heart beats (red triangles), below the calculated indices.

The block diagram of the amplitude modulation method and the assembled device.

The schematic of the amplitude modulation measurement circuit.

  • Frequency modulation

Screenshot of the software in frequency modulation. On the graph a typical plethysmograph signal can be seen, with the detected heart beats (red triangles), below the calculated indices.

The block diagram of the frequency modulation method and the assembled device.

The schematic of the frequency modulation measurement circuit.

References