TY - GENERIC DO - 10.20944/preprints202407.0739.v1 UR - http://dx.doi.org/10.20944/preprints202407.0739.v1 TI - Development and Test of Low-Cost Multi-channel Multi-frequency Lock-In Amplifier for Health and Environment Sensing T2 - Preprints AU - Pollastrone, Fabio AU - Fiorani, Luca AU - Bisauriya, Ramanand AU - Menicucci, Ivano AU - Ciceroni, Claudio AU - Pizzoferrato, Roberto PY - 2024 DA - 2024/07/09 PB - Preprints