HIH 4000 DATASHEET PDF

Description. The HIH Series Humidity Sensors are designed specifically for high volume OEM (Original Equipment Manufacturer) users. Direct input to a. Description. The HIH Series Humidity Sensors are designed specifically for high volume. OEM (Original Equipment Manufacturer) users. Direct input to a. Honeywell HIH available from 25 distributors. Explore Sensors on Octopart: the fastest source for datasheets, pricing, specs and availability.

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Now create a function to calculate the humidity based on the voltage output from the ADC Pi Plus def calcHumidity inval: Just one more question about calibration, I mean, how to set output current exactly from mA, can I replace ohm on emitter with trimmer to adjust output current? I could probably just use number 5 instead of Vsupply calculation, because voltage regulator should be pretty exact. Can you clarify your own ideas first and them come back with a more clear question?

Hi, It works great!!! Vout is voltage from sensor and Vsupply is Arduino’s supply voltage. Thread starter stuplja Start date Mar 3, Hi, Thanks a lot, I’ll try it immediately and let you know You can find a complete example of demo-hih You also mention temperature sensors and one well known voltage regulator.

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Asus Tinker Board Compatible. Potentiometer Questions Started by norbss Yesterday at You must log in or register to reply here.

My mind is too tired, I guess. I have one more HIH sensor, but it only outputs 3. Datasheets, Manuals or Parts. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at This can be done with a simple while loop.

I’ve done that, but, at the end, I used 56ohm and 50ohm multiturn hlh to get “real” value and also, I’m planning to go to meteo station to compare results with their RH sensors One more thing, can you, please, tell me in which software you done simulation and can you send me file to try myself?

I suppose it will help me to better understand whole circuit. Again thanks very much.

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Was dahasheet article helpful? Media New media New comments Search media. Do you have any other feedback or comments for this article? The AB Electronics python library uses another library called python-smbus, you can install it using apt-get with the following commands.

:sensors:hygrometer []

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Replacement Transformer Started by ncag Today at 7: Click here to register now. I can’t say anything about the humidity, but last days have been really warm. For a better experience, please enable JavaScript in your browser before proceeding.

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humidity sensor HIH-4000 4-20mA current output

Please tell us how we can improve this article: You will need to enable i2c on your Raspberry Pi, see our other tutorial on i2c: Not related to my issue. As True is always true the while loop will keep running until you exit the program with a Ctrl-C.

In order to clear the console for each read we need to issue a clear command.

Welcome to our site! There must be some error in my calculations.

You can use your favourite text editor for writing the program. PaulS Brattain Member Posts: We also add variables to hold the values related to the sensor data conversion.

The art of getting good answers lies in asking good questions. Forums New posts Search forums. We are going to need is a loop so that the same commands can run over and over.