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Diffstat (limited to 'electronics/cw1/writeup.tex')
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diff --git a/electronics/cw1/writeup.tex b/electronics/cw1/writeup.tex index 5dfa82d..cdbb463 100644 --- a/electronics/cw1/writeup.tex +++ b/electronics/cw1/writeup.tex @@ -97,6 +97,19 @@ If my project can meet all of these goals it will be a useable temperature sensing system, primarily designed for fish tanks, but could be used in any number of temperature dependant environments. \subsection{System Design} + \subsubsection{Specific ideal values} + For my system, there will be ideal values that id like to tune for, so my circuit switches on at the correct temperatures, + and for the correct amount of time. + \begin{center} + \begin{description} + \item[Temprature that it should turn on at] It should switch at approximately + \textbf{\({26}^\circ C \)} + with a \textbf{5\%} tolerance. This is just the value I will tune it too, in reality the user could set any value + they like. + \item[Time it should be on for] It should switch on for \textbf{10} seconds, pulsing from on to off. With it high to low + ratio of \textbf{1:1}, so its on for 1 to second and off for another. + \end{description} + \end{center} \subsubsection{Outline of internal workings} The project will need to do the following things internally to function as outlined in the design brief. These are tasks that will be ran on the microcontroller by the assembly code I need to write. @@ -320,6 +333,10 @@ purposes I have set to \({26}^\circ C \). The tuning process is easy and simple to work with, only requiring the turning of a potentiometer. This could be set out of box in a production setting, or it could be tweaked by the use to their needs. + As intended It triggered at \({26}^\circ C \), in reality it was probably slightly out but not to a noticeable margin. + + It also was triggered for the full 10 seconds as planned, with everything being accurate enough to not have any noticeable errors/inconsistencies. + \section{System Evaluation} \subsection{What could go better?} To make this system better I would have liked to make it test temperatures using a difference amplifier to compare to another known temperature as this |