@yiouli-Bogiatzi said in can't read signal: myoware muscle sensor What sensor serial number, 1-wire device, trade code? That board is basically a basic signal acquisition analog front-end module. See its datasheet, page 6, EMG envelop signal https://github.com/AdvancerTechnologies/MyoWare_MuscleSensor/blob/master/Documents/AT-04-001.pdf Such signal needs to be A/D converted first for downstream analysis. ccs_hello