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Re: PT100
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資深會員
 
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請參考
http://www.ntb.ch/Pubs/sensordemo/pdf/NTB_03_PT100.pdf http://www.sensorok.com/tech/pt100.htm 先將前端的類比電路做好，您可以用維恩電橋及儀器放大器透過電壓差值變化推算阻值的組合去查表得知現在溫度。 
發表於: 2006/6/28 23:44
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不要問我哪裡來，我只是個流浪天涯的工程師
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PT100
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資深會員
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想做一個溫度感測電路,使用PT100,希望輸出到PIC16f877的PortA輸入,也就是PT100感測電路結果只限定在0~5V之間,請問如何做,及放大器使用單電源如+5v,謝謝
發表於: 2006/6/28 22:57
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