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Datasheet: https://sensing.honeywell.com/index.php?ci_id=147071
Prog: https://sensing.honeywell.com/command-mode-humidicon-tn-009062-3-en-final-07jun12.pdf
i2c-comms-humidicon-tn-009061-2-en-final-07jun12.pdf
Lib: https://github.com/stevemarple/HIH61xx (HIH61xx and CC2D33 compatible)
Price: 7.22$ Digikey
HIH7120 Pinout
1 | 2 | 3 | 4 |
---|---|---|---|
VDD* | GND | SCL | SDA |
*connect via 0.22 µF to ground
i2c address: 0x27 (0x53)
Sensors test examples:
Test 0 v9 balcony high humidity
Test 1 v9 humidity absorber draft
Test 2 v9 new sensors overview
Test 5 v10b NaCl solution draft