Changes for page Sensor Module
Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 39.3
edited by Heimir Thordarson
on 2026/01/26 17:40
on 2026/01/26 17:40
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To version 38.5
edited by Heimir Thordarson
on 2026/01/26 17:27
on 2026/01/26 17:27
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... ... @@ -95,22 +95,7 @@ 95 95 {{/mathjax}} 96 96 ))) 97 97 98 -where: 99 - 100 -* {{mathjax}}\(\beta\){{/mathjax}} = material constant that defines the steepness of its resistance-temperature curve between two temperature points, usually 25/85 degrees celsius. In this case it is 3694 //**K.**// 98 +* {{mathjax}}\(\beta\){{/mathjax}} = material constant that defines the steepness of its resistance-temperature curve between two temperature points, usually 25/85 degrees celsius. In this case it is 3694 //**K**// 101 101 * {{mathjax}}\(T_0\){{/mathjax}} = The test temperature at which the thermistor is 10k {{mathjax}}\(\Omega\){{/mathjax}}, which in this case is 25 degrees celsius. 102 102 * {{mathjax}}\(R_0\){{/mathjax}} = The resistance of the thermistor when it is 25 degrees celsius. 103 -* {{mathjax}}\(R_T\){{/mathjax}} = The current resistance of the thermistor. 104 - 105 -==== Filtering ==== 106 - 107 -Considering that the sensor can only promise a reaction time of 5 seconds when in water, it can be assumed that a heavy filter will not add any problematic latencies. To ensure a low cost, the filter uses common components which will filter any noise above the inverter switching noise. 108 - 109 -(% style="font-size: 1.5em;" %) 110 -((( 111 -{{mathjax}} 112 -$$ 113 -T = \frac{1}{2 \pi R C} 114 -$$ 115 -{{/mathjax}} 116 -))) 101 +* {{mathjax}}\(R_T\){{/mathjax}} = Resistance of the thermistor