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Changes for page Sensor Module

Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 44.1
edited by Heimir Thordarson
on 2026/01/27 14:54
Change comment: Uploaded new attachment "Actual Representation of Linear Potmeter.png", version {1}
To version 46.3
edited by Heimir Thordarson
on 2026/01/27 15:24
Change comment: There is no comment for this version

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... ... @@ -125,6 +125,25 @@
125 125  
126 126  The sensor has a measurable range of 50mm with electrical range of 51mm, meaning that the electrical range will in practice be 1960 {{mathjax}}\(\Omega\){{/mathjax}} with 40 {{mathjax}}\(\Omega\){{/mathjax}} in total on each end.
127 127  
128 +[[image:Actual Representation of Linear Potmeter.png||height="195" width="309"]]
128 128  
130 +This can then be used to create the length of the sensor based on the input voltage.
129 129  
130 -
132 +(% style="font-size: 1.5em;" %)
133 +(((
134 +{{mathjax}}
135 +$$
136 +x = \frac{50}{1960} \left( \frac{2000\,V_{\text{out}}}{V_s} - 20 \right)
137 +$$
138 +{{/mathjax}}
139 +)))
140 +
141 +where:
142 +
143 +* {{mathjax}}\(x\){{/mathjax}} = The mechanical placement excluding the dead length.
144 +* {{mathjax}}\(V_s\){{/mathjax}} = The supply voltage of the linear potentiometer, in this case it is 3.3 {{mathjax}}\(V\){{/mathjax}}.
145 +* {{mathjax}}\(V_{out}\){{/mathjax}} = The output voltage of the linear potentiometer. ranging from 0.033{{mathjax}}\(V\){{/mathjax}} to 3.267{{mathjax}}\(V\){{/mathjax}}.
146 +
147 +=== Filtering ===
148 +
149 +The sensors output latency can be expected to be a lot shorter than the air temperature sensor as the sensor is just a variable sensor based on placement. This is why the