SensorsのトピックSome questions by using the sensor MLP3115A2 https://community.nxp.com/t5/Sensors/Some-questions-by-using-the-sensor-MLP3115A2/m-p/818029#M5249 <HTML><HEAD></HEAD><BODY><P>Hello everyone!, i'm try to use the sensor MPL3115A2 for read the temperature in th FRDM KL25, but the troubles starts when i compilate each program just appear a 255. By analying the code i don't know if i'm doing something wrong or the wrongly&nbsp;initializing the sensor , the program that i'm using is the next one. If anyone could help me to find my mistake on the code, i'll thank him so much!</P></BODY></HTML> Tue, 03 Feb 2026 23:46:04 GMT luisito99m 2026-02-03T23:46:04Z Some questions by using the sensor MLP3115A2 https://community.nxp.com/t5/Sensors/Some-questions-by-using-the-sensor-MLP3115A2/m-p/818029#M5249 <HTML><HEAD></HEAD><BODY><P>Hello everyone!, i'm try to use the sensor MPL3115A2 for read the temperature in th FRDM KL25, but the troubles starts when i compilate each program just appear a 255. By analying the code i don't know if i'm doing something wrong or the wrongly&nbsp;initializing the sensor , the program that i'm using is the next one. If anyone could help me to find my mistake on the code, i'll thank him so much!</P></BODY></HTML> Tue, 03 Feb 2026 23:46:04 GMT https://community.nxp.com/t5/Sensors/Some-questions-by-using-the-sensor-MLP3115A2/m-p/818029#M5249 luisito99m 2026-02-03T23:46:04Z Re: Some questions by using the sensor MLP3115A2 https://community.nxp.com/t5/Sensors/Some-questions-by-using-the-sensor-MLP3115A2/m-p/818030#M5250 <HTML><HEAD></HEAD><BODY><P>Hi Luis,</P><P></P><P>The first thing I would recommend to do is to read the WHO_AM_I register (0x0C) to be sure your I2C communication is running properly.&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">If you are not able to read a correct value (0xC4) from this register, then please post here screenshots illustrating both I2C write and read transactions (as shown in my <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-101371">example code</A></SPAN><SPAN style="color: #51626f; background-color: #ffffff;">) as well as your complete schematic.</SPAN></P><P></P><P><SPAN style="color: #51626f; background-color: #ffffff;">Best regards,</SPAN></P><P><SPAN style="color: #51626f; background-color: #ffffff;">Tomas</SPAN></P></BODY></HTML> Mon, 12 Nov 2018 10:48:55 GMT https://community.nxp.com/t5/Sensors/Some-questions-by-using-the-sensor-MLP3115A2/m-p/818030#M5250 TomasVaverka 2018-11-12T10:48:55Z