Kinetis MicrocontrollersのトピックRe: Potentiometer problem of TWR-K53N512: wrong reading https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615957#M36654 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please make sure that the Jumper JP1 is ON if would like to read the ADC1_DM1 pin of the Potentiometer.</P><H1></H1><P></P><DIV data-canvas-width="44.76" style="left: 246.9px; top: 457px; font-size: 20px; font-family: sans-serif; transform: scaleX(0.869478);"> </DIV></BODY></HTML> Mon, 10 Oct 2016 07:55:14 GMT miduo 2016-10-10T07:55:14Z Potentiometer problem of TWR-K53N512: wrong reading https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615956#M36653 <HTML><HEAD></HEAD><BODY><P>I just bought the kit&nbsp;TWR-K53N512 a few days ago:</P><P>* I just run the demo code from accompanying DVD</P><P>* On the first day or two, potentiometer reading can range from 0-100% when I rotate it</P><P>* Later on, the reading can only range from 0-2%</P><P></P><P>Could be a defect of the board? Anyone has similar problems?</P></BODY></HTML> Fri, 07 Oct 2016 14:35:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615956#M36653 jerrylian 2016-10-07T14:35:58Z Re: Potentiometer problem of TWR-K53N512: wrong reading https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615957#M36654 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please make sure that the Jumper JP1 is ON if would like to read the ADC1_DM1 pin of the Potentiometer.</P><H1></H1><P></P><DIV data-canvas-width="44.76" style="left: 246.9px; top: 457px; font-size: 20px; font-family: sans-serif; transform: scaleX(0.869478);"> </DIV></BODY></HTML> Mon, 10 Oct 2016 07:55:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615957#M36654 miduo 2016-10-10T07:55:14Z Re: Potentiometer problem of TWR-K53N512: wrong reading https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615958#M36655 <HTML><HEAD></HEAD><BODY><P>Yes, JP1 is already ON, otherwise I couldn't read from potentiometer. The problems:</P><P>* At the beginning, the reading ranges from 0-100.</P><P>* Now, the reading ranges from 0-2 only.</P><P></P><P>* By the way, the reading of build-in temperature sensor is always zero now.</P><P>* (It seems to be correct at the beginning days!)</P></BODY></HTML> Mon, 10 Oct 2016 17:59:57 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Potentiometer-problem-of-TWR-K53N512-wrong-reading/m-p/615958#M36655 jerrylian 2016-10-10T17:59:57Z