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AliExpress: 11$
i2c adress: 0x77 (0x76)
Sensors test examples:
v1 draft multiple humidity sensors comparision
Test 1 with SD datalogging 2 mux 20 hours
Test 2. Sensors in a freezer 1
Test 5 v5 saturated salt solution
Test 4 v6 Saturated NaCl solution
Test 2 v7 room RH12 low humidity
Test 3 v7 balcony RH15-92 changing humidity