From ad6c8c1a7259944e86c9a6a1e0a843497caffdf9 Mon Sep 17 00:00:00 2001 From: Frank Gevaerts Date: Sat, 2 Oct 2010 14:11:40 +0000 Subject: New plugin: Resistor code calculator Flyspray: FS#11585 Author: Calvin Walden git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28191 a1c6a512-1295-4272-9138-f99709370657 --- manual/plugins/images/ss-resistor-112x64x1.png | Bin 0 -> 650 bytes .../plugins/images/ss-resistor-128x64x1-clip.png | Bin 0 -> 608 bytes manual/plugins/images/ss-resistor-128x96x1.png | Bin 0 -> 750 bytes manual/plugins/images/ss-resistor-132x80x16.png | Bin 0 -> 1454 bytes manual/plugins/images/ss-resistor-138x110x1.png | Bin 0 -> 837 bytes manual/plugins/images/ss-resistor-160x128x1.png | Bin 0 -> 890 bytes manual/plugins/images/ss-resistor-160x128x16.png | Bin 0 -> 3757 bytes manual/plugins/images/ss-resistor-160x128x2.png | Bin 0 -> 887 bytes manual/plugins/images/ss-resistor-176x132x16.png | Bin 0 -> 3330 bytes manual/plugins/images/ss-resistor-176x220x16.png | Bin 0 -> 3459 bytes manual/plugins/images/ss-resistor-220x176x16.png | Bin 0 -> 4817 bytes manual/plugins/images/ss-resistor-240x400x16.png | Bin 0 -> 6205 bytes manual/plugins/images/ss-resistor-320x240x16.png | Bin 0 -> 8332 bytes manual/plugins/main.tex | 2 ++ manual/plugins/resistor.tex | 28 +++++++++++++++++++++ 15 files changed, 30 insertions(+) create mode 100644 manual/plugins/images/ss-resistor-112x64x1.png create mode 100644 manual/plugins/images/ss-resistor-128x64x1-clip.png create mode 100644 manual/plugins/images/ss-resistor-128x96x1.png create mode 100644 manual/plugins/images/ss-resistor-132x80x16.png create mode 100644 manual/plugins/images/ss-resistor-138x110x1.png create mode 100644 manual/plugins/images/ss-resistor-160x128x1.png create mode 100644 manual/plugins/images/ss-resistor-160x128x16.png create mode 100644 manual/plugins/images/ss-resistor-160x128x2.png create mode 100644 manual/plugins/images/ss-resistor-176x132x16.png create mode 100644 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b/manual/plugins/images/ss-resistor-220x176x16.png differ diff --git a/manual/plugins/images/ss-resistor-240x400x16.png b/manual/plugins/images/ss-resistor-240x400x16.png new file mode 100644 index 0000000000..dce4c195a0 Binary files /dev/null and b/manual/plugins/images/ss-resistor-240x400x16.png differ diff --git a/manual/plugins/images/ss-resistor-320x240x16.png b/manual/plugins/images/ss-resistor-320x240x16.png new file mode 100644 index 0000000000..7310009f88 Binary files /dev/null and b/manual/plugins/images/ss-resistor-320x240x16.png differ diff --git a/manual/plugins/main.tex b/manual/plugins/main.tex index ce08132588..854f50d138 100644 --- a/manual/plugins/main.tex +++ b/manual/plugins/main.tex @@ -253,6 +253,8 @@ option from the \setting{Context Menu} (see \reference{ref:Contextmenu}).} {\input{plugins/random_folder_advance_config.tex}} +{\input{plugins/resistor.tex}} + \opt{lcd_color}{\input{plugins/rockpaint.tex}} \opt{archosrecorder,archosfmrecorder,ondio}{\input{plugins/split_editor.tex}} diff --git a/manual/plugins/resistor.tex b/manual/plugins/resistor.tex new file mode 100644 index 0000000000..27cc9a3e5e --- /dev/null +++ b/manual/plugins/resistor.tex @@ -0,0 +1,28 @@ +\subsection{Resistor Calculator} +\screenshot{plugins/images/ss-resistor}{Resistor calculator}{img:resistor} + +The resistor calculator is a plugin that works in 3 modes: + +\subsubsection{Colour to Resistance} + +In Colour to Resistance mode, use the menus to select the colours of the +bands of a resistor which you would like to know the resistance of. + +\subsubsection{Resistance to Colour} + +In Resistance to Colour mode, use the menus to select the unit that you +would like to use (choose from Ohms, Kiloohms, Megaohms), and use +the on-screen keyboard to input the value of the resistor that you would +like to know the colour code of. The colour codes are presented +\opt{lcd_color}{graphically and} textually. + +\subsubsection{LED resistance} + +LED resistance calculator is used to determine the resistor necessary to light +an LED safely at a given voltage. First, select the voltage that the LED will +use (the first option is the most common and a safe bet), and the current +that it will draw (likewise with the first option). Then, use the onscreen +keyboard to type in the supply voltage and, if selected, the custom +foreward current. This function produces safe estimates, but use your own +judgement when using these output values. Power rating and displayed resistance +are rounded up to the nearest common value. -- cgit