https://devzone.nordicsemi.com/f/nordic-q-a/15342/strange-problem-with-scheduler-plus-spiHello everyone! Frist of all, sorry for my broken English. I had a timeout handler, which call by application timer every 50ms. In this function I took data from accelerometer via SPI, this method doesn&#39;t work. As I know becouse than SPI doesn&#39;t wanten-USTelligent Community 13Tue, 26 Jul 2016 13:07:08 GMThttps://devzone.nordicsemi.com/thread/58642?ContentTypeID=1Tue, 26 Jul 2016 13:07:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4fa59bf9-5b92-4b2a-af92-bee0f22a85aaJohn<p>Glad it was that simple. We&#39;ve all done it. Could you mark the answer correct (thanks for promoting it to an answer).</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/58641?ContentTypeID=1Tue, 26 Jul 2016 12:48:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5bcaf929-5644-492e-a748-507458238d83Sonr09<p>Yes, it was a problem, thanks for help. Stupid mistake</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/58640?ContentTypeID=1Mon, 25 Jul 2016 20:34:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:64fffe39-4ba4-40f6-9b7b-c4fe9ea23141John<p>This may or may not be your problem, but I think you want to make your &quot;uint8_t send_message[1];&quot; larger. You a putting a lot more data than 1 byte into your string.</p><div style="clear:both;"></div>