PT100/PT1000 工业级温度传感器
来自Jack's Lab
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
- http://41j.com/blog/2015/01/esp8266-analogue-input/