2 layers53 × 39 mm

Heartbeat Logger
Utstumo/Heartbeat-Logger
A small, portable device that will continuously log your ECG - the "waveform" of your heart - onto a memory card for analysis.
78 parts4
Boards in 1 GitHub repository, designed in KiCad, that use the TSV635IPT by STMicroelectronics (-40℃~+125℃ 1.5V~5.5V 10pA 1pA 1uV/℃ 340V/ms 35mA 3mV 4 60nV/√Hz@1kHz 60uA 74dB 880kHz Enable/shutdown function Rail-to-Rail Input, Rail-to-Rail Output TSSOP-16 Operational Amplifier ROHS). See how each wires it, with its parts, size, README and files; the TSV635IPT’s symbol, footprint and pinout are on its own page.

Utstumo/Heartbeat-Logger
A small, portable device that will continuously log your ECG - the "waveform" of your heart - onto a memory card for analysis.