PT100/PT1000 工业级温度传感器
来自Jack's Lab
(版本间的差异)
(以“== 概述 == <br><br> == 资源 == * http://openenergymonitor.org/emon/buildingblocks/rtd-temperature-sensing * http://forum.arduino.cc/index.php?topic=16731.0 * ...”为内容创建页面) |
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第1行: | 第1行: | ||
== 概述 == | == 概述 == | ||
+ | |||
+ | <br><br> | ||
+ | |||
+ | == 示例 == | ||
+ | |||
+ | <source lang=cpp> | ||
+ | void setup() | ||
+ | { | ||
+ | Serial.begin(115200); | ||
+ | } | ||
+ | |||
+ | void loop() { | ||
+ | int vd = analogRead(A0); | ||
+ | //Serial.println(vd); | ||
+ | float vvd = 1.0*vd/1023; | ||
+ | //Serial.println(vvd); | ||
+ | float rtd = (3.3 - vvd) * 300 / vvd; | ||
+ | //Serial.print("rtd = "); | ||
+ | //Serial.println(rtd); | ||
+ | |||
+ | Serial.print("temp = "); | ||
+ | Serial.println(rtd * 20/1078); | ||
+ | delay(1000); | ||
+ | } | ||
+ | </source> | ||
<br><br> | <br><br> |
2016年2月21日 (日) 00:54的版本
1 概述
2 示例
void setup() { Serial.begin(115200); } void loop() { int vd = analogRead(A0); //Serial.println(vd); float vvd = 1.0*vd/1023; //Serial.println(vvd); float rtd = (3.3 - vvd) * 300 / vvd; //Serial.print("rtd = "); //Serial.println(rtd); Serial.print("temp = "); Serial.println(rtd * 20/1078); delay(1000); }
3 资源
- http://openenergymonitor.org/emon/buildingblocks/rtd-temperature-sensing
- http://forum.arduino.cc/index.php?topic=16731.0
- http://stackoverflow.com/questions/21644642/how-to-connect-pt-1000