Hello, I am using a Honeywell sensor HSCDDRD005PD3A3. #include <Wire.h> #include "HSC.h" // create an HSC sensor with I2C address 0x38 and power pin 2. HSC hsc(0x38, 2); void setup() { Serial.begin(115200); Wire.begin(); // set min / max reading and pressure, see datasheet for the val…

Can you please explain? I have given the address as 0x38 only.

HSCDDRD005PD**3**A3. Take a look in the datasheet [3a3.jpg]

HSC hsc (0x38, 2) The I2C address is 0x38 and I have used the same.

.. and then it shoud work @ 3V3 and pullups connected..

I have connected the pull ups too. 4.7k pull ups.

<a name="p-2761016-if-the-i2c-scanner-program-finds-your-sensor-at-the-address-and-still-the-example-codefrom-a-library-written-for-that-chip-wont-return-valid-values-chip-defective-1" class="anchor" href="#p-2761016-if-the-i2c-scanner-program-finds-your-sensor-at-the-address-and-still-the-example-codefrom-a-library-written-for-that-chip-wont-return-valid-values-chip-defective-1" aria-label="Heading link"> If the I2C-scanner program finds your sensor at the address, and still the example code(from a library written for that chip) wont return valid values => chip defective ? Is this a differential pressure sensor? then apply +/- pressure to one of the vent-ports

Yes, This is a differential sensor. I have changed the ports and tried to apply pressure, but the serial monitor just shows the initial temperature and zero pressure. I dont know where I am going wrong. The sensor is a new one so I dont think there is a problem with that.

This datasheet says that you can request 4 bytes from adr 0x38. http://www.honeywellscportal.com/i2c%20comms%20digital%20output%20pressure%20sensors_tn_008201-3-en_final_30may12.pdf I'd try (without the lib) to do the request and just printout, (in HEX) the 4 values the sensor delivers. The two m…

Hello, I have written a code without the ssc/hsc library and it is showing some values now. Thank you.

Honeywell HSC sensor not reading values

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knut_ny April 12, 2016, 7:50pm 4

HSCDDRD005PD**3**A3. Take a look in the datasheet

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Honeywell HSC sensor not reading values

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