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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Converting NTC thermistor SAADC value into Temperature</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/75008/converting-ntc-thermistor-saadc-value-into-temperature</link><description>Hello , 
 I have interfaced one NTC sensor with above attached image and below information : 
 SAADC pin : AIN2 ( NTC - pin ) 
 VCC_nRF voltage = 3.3V 
 R14 = 51KOhm , 0.5% 
 
 
 example code : 
 init code &amp;gt;&amp;gt; 
 uint32_t err_code ; nrf_saadc_channel_config_t</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Sat, 22 May 2021 14:21:56 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/75008/converting-ntc-thermistor-saadc-value-into-temperature" /><item><title>RE: Converting NTC thermistor SAADC value into Temperature</title><link>https://devzone.nordicsemi.com/thread/311173?ContentTypeID=1</link><pubDate>Sat, 22 May 2021 14:21:56 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:d177ccf5-f3bd-4c24-8986-778f9ffe2b7a</guid><dc:creator>man</dc:creator><description>&lt;p&gt;I have mange to solve the calibration by taking gain ratio , resolution and reference voltage setting for SAADC .&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Converting NTC thermistor SAADC value into Temperature</title><link>https://devzone.nordicsemi.com/thread/309729?ContentTypeID=1</link><pubDate>Fri, 14 May 2021 09:23:35 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:a7b814b4-b069-4e7b-b464-98b1ee9b25ab</guid><dc:creator>JONATHAN LL</dc:creator><description>&lt;p&gt;Hi,&lt;br /&gt;&lt;br /&gt;There is some good information on how to convert here:&lt;br /&gt;&lt;a href="https://www.jameco.com/Jameco/workshop/TechTip/temperature-measurement-ntc-thermistors.html"&gt;Thermistors/Temperature Measurement with NTC Thermistors (jameco.com)&lt;br /&gt;https://www.digikey.sk/en/maker/projects/how-to-measure-temperature-with-an-ntc-thermistor/4a4b326095f144029df7f2eca589ca54&lt;/a&gt;&lt;br /&gt;&lt;a href="https://forum.arduino.cc/t/convert-ntc-volts-bits-to-actual-temperature-in-celsius-how/315055/8"&gt;Convert NTC volts/bits to actual temperature in Celsius? How? - Using Arduino / General Electronics - Arduino Forum&lt;/a&gt;&lt;br /&gt;&lt;a href="https://learn.adafruit.com/thermistor/using-a-thermistor"&gt;Using a Thermistor | Thermistor | Adafruit Learning System&lt;br /&gt;&lt;/a&gt;&lt;br /&gt;And here is are som DevZone question on the same topic:&lt;br /&gt;&lt;a href="https://devzone.nordicsemi.com/f/nordic-q-a/35774/adc-reading-from-ntc-thermistor"&gt;ADC reading from NTC thermistor - Nordic Q&amp;amp;A - Nordic DevZone - Nordic DevZone (nordicsemi.com)&lt;br /&gt;&lt;/a&gt;&lt;a href="https://devzone.nordicsemi.com/f/nordic-q-a/32541/powering-ntc-thermistor-by-gpio-from-nrf52832"&gt;Powering ntc thermistor by gpio from nrf52832 - Nordic Q&amp;amp;A - Nordic DevZone - Nordic DevZone (nordicsemi.com)&lt;/a&gt;&lt;a href="https://devzone.nordicsemi.com/f/nordic-q-a/35774/adc-reading-from-ntc-thermistor"&gt;&lt;br /&gt;&lt;/a&gt;&lt;br /&gt;Basic idea is to know the linearity of the NTC, then convert it from voltage to bits(ADC) to Celsius using algebra&amp;nbsp;&lt;br /&gt;&lt;br /&gt;Regards,&lt;br /&gt;Jonathan&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>