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About buja
since
09-03-2021
09-23-2022
buja
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07-01-2022
05:09 PM
do you suggest any equipment where we can control the humidity for testing ?
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06-21-2022
12:40 PM
That's correct, we didnt test in test box. Is that the picture of test box ?
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06-16-2022
04:02 PM
1.Is this tested in a standard test device? 5 devices are taken for testing. In these, 4 devices are assembled by us. 1 device is an evaluation board from adafruit (BME280_eval_board). All the devices are kept near to the window, at the same place. 3.What is the temperature curve like? Please see the attached graph. Black lines show temperature
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06-15-2022
11:36 AM
Dear Team, We are using BME280 to monitor humidity and temperature. Temperature is working as expected but humidity has got an offset always. We have bought a couple of humidity sensors, which will be the reference humidity value. You can see from the above graph that all the BME280s (green lines) are having a negative offset on the humidity value (RED is the reference). We are using the APIs from the Bosch sensortec github. Why do you think there is an offset ? The datasheet says the reconditioning procedure is mandatory after soldering process. We haven't done the reconditioning. Could that be the reason for the offset ? Also, could you please suggest us the best way to do the reconditioning ? Are there any standard device which can do the reconditioning in the production ?
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09-08-2021
11:28 AM
Hi, Thank you for your reply. We are using the code you refferred and currently flashed the same code in many devices, but some of the sensors are giving odd values and some are working perfectly fine. Does integrating sensor to the PCB can go wrong ? How can we check if we have properly integrated the sensor to the PCB ? Is there a selftest procedure ?
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