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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
Price: 7.22$ Digikey
HIH7120 Pinout
| 1 | 2 | 3 | 4 |
|---|---|---|---|
| VDD* | GND | SCL | SDA |
*connect via 0.22 µF to ground
i2c address: 0x53