This breakout board for Honeywell’s HIH-4030 humidity sensor from SparkFun measures relative humidity (%RH) and outputs the result as an analog voltage on the pin labeled OUT. The sensor output can be read by an ADC on a microcontroller and varies nearly linearly with humidity, which makes the readings easy to process. The humidity sensor is powered with 5 V and typically draws 200 µA. The pins on the board have a 0.1" spacing, making them compatible with 0.1" male header pins and standard breadboards and perfboards. Since this board is a carrier for the HIH-4030, careful reading of the HIH-4030 datasheet (237k pdf) is recommended.
HIH-4030 humidity sensor’s analog output voltage vs relative humidity. |
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Features
People often buy this product together with:
Pololu Carrier for MQ Gas Sensors (Bare PCB Only) |
Carbon Monoxide Gas Sensor MQ-7 |
Dimensions
Size: | 0.75 x 0.30" |
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General specifications
Voltage: | 5 V |
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Supply current: | 0.2 mA |
File downloads
HIH-4030 humidity sensor datasheet (237k pdf)
Datasheet for Honeywell’s HIH-4030 humidity sensor.
HIH-4030 humidity sensor carrier schematic (6k pdf)
Schematic for the HIH-4030 humidity sensor carrier.
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