What arduino should i use?

Hello @Robin2,

In reference to your questions,
What frequencies do you want to analyze?

The requeriments are 20Hz to 20kHz.

To be more specific:

Temperature DS1820
microphone ICS43432
Weight 4 gauges sen-10245 with an amplifier Hx711

what dou you think?

ds1820.pdf (154 KB)

ICS-43432_DS.pdf (438 KB)

loadsensor.pdf (34.9 KB)

hx711_english.pdf (160 KB)