@article{202407.0739,
	doi = {10.20944/preprints202407.0739.v1},
	url = {https://doi.org/10.20944/preprints202407.0739.v1},
	year = 2024,
	month = {July},
	publisher = {Preprints},
	author = {Fabio Pollastrone and Luca Fiorani and Ramanand Bisauriya and Ivano Menicucci and Claudio Ciceroni and Roberto Pizzoferrato},
	title = {Development and Test of Low-Cost Multi-channel Multi-frequency Lock-In Amplifier for Health and Environment Sensing},
	journal = {Preprints}
}