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We no longer stock SparkFun Humidity Sensor Breakout - HIH-4030, but here are current alternatives in Humidity Sensors.
SparkFun Humidity Sensor Breakout - HIH-4030
Discontinued
This is a breakout board for Honeywell’s HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output voltage. You can connect the output of the sensor directly to an ADC on a microcontroller; and, thanks to the sensor’s near linear voltage output, the data is very easy to process.
Voltage applied to the supply pins should be within 4-5.8VDC, and optimally at 5V. The sensor will typically only consume about 200μA.
This product comes as shown in the picture, with the HIH-4030 soldered onto the breakout board. The pins of the 3-pin header are spaced by 0.1".
Get Started with the HIH-4030 Breakout Guide
Features:
- Near linear, analog output
- 4-5.8VDC voltage supply
- All pins broken out to a 0.1" pitch header
- Laser trimmed interchangeability
- Low power design, typical current draw of only 200μA
- Enhanced accuracy
- Fast response time
- Stable, low drift performance
Dimensions: 0.75 x 0.30 “ (19.05 x 7.62 mm)
Documents:
- Schematic
- Eagle Files
- Hookup Guide
- Datasheet (HIH4030)
- Hygrometer Reconditioning Note
- GitHub (Design Files)
