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
