https://devzone.nordicsemi.com/f/nordic-q-a/15830/sht21-with-nrf51822-measuring-temperatureHi, I am trying to measure the temperature using sht21 sensor with nrf51822. I am using TWI to do this. When I try to send a data to the sensor the application cannot do that. The code for initializing and measuring the temperature is as follows: en-USTelligent Community 13Fri, 19 Aug 2016 07:06:01 GMThttps://devzone.nordicsemi.com/thread/60435?ContentTypeID=1Fri, 19 Aug 2016 07:06:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bfa70ade-ace9-4131-87f4-d8da42943211Susheel Nuguru<p>This error is generated in nrf_drv_twi.c-&gt;twim_xfer where the actual transfer of the data is placed into the hardware.</p> <p>The documentation for the API nrf_drv_twi_tx shows that</p> <blockquote> <p>@retval NRF_ERROR_INTERNAL If an error was detected by hardware.</p> </blockquote> <p>This means that the the function has finished what it supposed to do what there were errors detected in TWI-&gt;ERRSRC module. Most probably this is an overrun error which means that you are not reading the data fast enough. The previous data in in RXD register was overwritten.</p><div style="clear:both;"></div>