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jakemcivorjakemcivor
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Create Switch_Input_Module.scad
Add Eagle file for schematic.
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‎Design Files/CAD/Switch_Input_Module.scad‎

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// Switch Input Module for LipSync
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// Makers Making Change
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// V1.0
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pinSpacing=2.54; //.100" spacing
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boardWidth=21;
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boardDepth=27.0;
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boardHeight=3;//1.59;
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headerDepth=2.54+.2;
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headerHeight=8.46;
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headerWidth=10.7+.4;
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//headerPinWidth=.65+.2;//square side
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headerPinWidth=.88+.6;//diameter increased twice was.4
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headerPinPlugHeight=6;
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headerPinTotalHeight=11.2;
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ballDia=3; //for ballVia
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//pseudo header
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difference(){
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translate ([0,pinSpacing*4.5,headerHeight/2+boardHeight-.5])cube([headerWidth,headerDepth,headerHeight+1],center=true) ;
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translate ([0,pinSpacing*4.5,headerPinTotalHeight/2-(boardHeight/2)])ArrayCentItems(4,1,pinSpacing,pinSpacing)cylinder (d=headerPinWidth,h=headerPinTotalHeight+5,center=true,$fn=12) ;
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translate ([0,pinSpacing*4.5,11.5])ArrayCentItems(4,1,pinSpacing,pinSpacing)rotate([180,0, 45])cylinder (h=1.6,r1=1.6,r2=0,$fn=4);//(makes pyramid)
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}//diff
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translate ([0,9,7/2+boardHeight-.5])cube([6,2,7],center=true) ; //brace
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translate ([-6.2,-15,0])cube([11.4,2,.6],center=false) ; //support material
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//translate ([0,pinSpacing*4.5,headerPinTotalHeight/2-(boardHeight/2)])ArrayCentItems(4,1,pinSpacing,pinSpacing)cube([headerPinWidth,headerPinWidth,headerPinTotalHeight],center=true) ;
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difference(){
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union(){
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translate ([0,pinSpacing*-4.5,headerHeight/2+boardHeight])cube([headerWidth+3,headerDepth+3,headerHeight],center=true) ;
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translate ([-3+5,-1,boardHeight/2])roundedCube (boardWidth-10,boardDepth,boardHeight,1);//pseudo PCB board
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translate ([-5,-1,boardHeight/2])minkowski(){//rounded body
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scale([.75,1,1])cylinder(h = boardHeight-2, d = boardDepth-2, center = true,$fn=24);
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sphere(r=1,center=true,$fn=30);
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} //end mink
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translate ([-10,-1,boardHeight/2])minkowski(){//"tail"
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cylinder(h = boardHeight-2, d = 12, center = true,$fn=24);
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sphere(r=1,center=true,$fn=30);
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} //end mink
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}//end union
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//cube([boardWidth,boardDepth,boardHeight],center=true) ;//pseudo PCB board
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//roundedCube (boardWidth,boardDepth,boardHeight,1)
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translate ([0,pinSpacing*-4.5,headerHeight/2+boardHeight])cube([headerWidth,headerDepth,headerHeight+10],center=true) ;
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translate ([-.5, 5-3, 1])rotate([0,180, 0])resistorSlot (8,2.6,1.2,30);//5v 100k resistor slot
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translate ([pinSpacing*1-.5, 5-3, 1])rotate([0,180, 0])resistorSlot (8,2.6,1,30);//0v 100k resistor slot
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translate ([pinSpacing*-1-.5, 5-3, 1])rotate([0,180, 0])resistorSlot (0,3,1.2,30);// resistor wire
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translate ([.3, -1-3, boardHeight/2])ballVia (boardHeight,1.2,ballDia);//5v 100K/10k resistor hole
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translate ([pinSpacing*1+.3, -4-3, boardHeight/2])ballVia (boardHeight,1.2,ballDia);//0v 100k/10k resistor hole
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translate ([-6, -1-3, 3])rotate([0,0, 90])resistorSlot (8,2.6,1.2,8+4);//0v 10k resistor slot (underside)
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translate ([-3, -4-3, 3])rotate([0,0, 90])resistorSlot (8,2.6,1.2,8+4);//0v 10k resistor slot (underside)
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translate ([.3-12, -1-3, boardHeight/2])ballVia (boardHeight,1.2,ballDia);//5v 10k resistor hole
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translate ([pinSpacing*1+.3-12, -4-3, boardHeight/2])ballVia (boardHeight,1.2,ballDia);//0v 10k resistor hole
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translate ([-.5,8,0])cube([5.5,3,3.3], center = true); //resistor solder clearance
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translate ([-10,0,2.5])minkowski(){
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cube([3,3,6], center = true); //cable thru hole
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sphere(r=1,center=true,$fn=30);
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} //end mink
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translate ([-5,2.5,2.5])cube([2.5,1.5,5], center = true); //cable tie hole
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translate ([-5,9.5,2.5])cube([2.5,1.5,5], center = true); //cable tie hole
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translate ([5,2.5,2.5])cube([2.5,1.5,5], center = true); //2nd cable tie hole
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translate ([5,9.5,2.5])cube([2.5,1.5,5], center = true); //2nd cable tie hole
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translate ([-4.5,-1,2.5])cylinder(d=3,h=15.1,center=true,$fn=16);//braid soldering hole
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//translate ([0,-10,0])rotate([-30,0, 0])cube([11,5,3], center = true);//old header solder joint clearance
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translate ([-3,-11,-1])hull() {
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translate([5,0,0]) rotate([0,0, 45])cylinder (h=5,r1=7,r2=0,$fn=4);//(makes pyramid)
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rotate([0,0, 45])cylinder (h=5,r1=7,r2=0,$fn=4);//(makes pyramid)
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}//hull
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}//end diff
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//translate ([0,pinSpacing*-4.5,headerPinTotalHeight/2-(boardHeight/2)])ArrayCentItems(4,1,pinSpacing,pinSpacing)cube([headerPinWidth,headerPinWidth,headerPinTotalHeight],center=true) ;//***temporary
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translate ([-5,6,4])rotate([0,0, 90])cableGrip (); // *** turned off
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//! ! ! ! ! ! ! !!!!!!!!!!!!!! testing !!!!!!!!!!!!!!!!!!!!!!!!!
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module cableGrip ()
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difference(){
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translate ([0, -2.5,0])cube([6,20,3], center = true);
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translate ([0, -2.5,1])rotate([90,0, 0])cylinder(d=3,h=20.1,center=true,$fn=16); //cable slot
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translate ([0, 0,1])rotate([90,0, 0])cylinder(d=4,h=4,center=true,$fn=16);// cable snagger
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translate ([0, 0,2])rotate([90,0, 0])cube([6,5,3], center = true);//cinching slot in cable snagger
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translate ([0, -10,1])rotate([90,0, 0])cylinder(d=4,h=4,center=true,$fn=16);// 2nd cable snagger
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translate ([0, -10,2])rotate([90,0, 0])cube([6,5,3], center = true);//2nd cinching slot in cable snagger
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}//end module cable grip
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module resistorSlot (compLeng,compDiam,wireDiam,wireLeng)
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//example use: resistorSlot (8,2.6,1,25); //creates standard 1/4 watt resistor slot
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{
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translate ([0, 0,compDiam/4])cube([compDiam,compLeng,compDiam/2], center = true);//component channel
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rotate([90,0, 0]) cylinder(d=compDiam,h=compLeng,center=true,$fn=100);//component bed
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translate ([0, 0,compDiam/4])cube([wireDiam,wireLeng,compDiam/2], center = true);//wire channel
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rotate([90,0, 0]) cylinder(d=wireDiam,h=wireLeng,center=true,$fn=100); //rounded wire bed
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} //end resistor slot
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module ballVia (pcbThick,boreDiam,sphereDiam)
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//make sure sphereDiam is always less than board thickness!!!
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{
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//sphere(d = boreDiam,$fn=24);
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//cylinder(D=boreDiam,h=pcbThick-sphereDiam,$fn=100);
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cylinder(h = pcbThick, d = boreDiam, center = true,$fn=24);
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translate ([0,0,pcbThick/2])sphere(d = sphereDiam,$fn=24);
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translate ([0,0,pcbThick/-2])sphere(d = sphereDiam,$fn=24);
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}//end module ballVia
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module ArrayCentItems(xCount,yCount,itemGapX,itemGapY)
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{
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for (x = [1:xCount]){
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for (y = [1:yCount]){
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translate([x*itemGapX-(xCount+1)*itemGapX/2,y*itemGapY-(yCount+1)*itemGapY/2,0])
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children();
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}//for y
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}//for x
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}//end module
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module CircleItems(n,r,myRot)
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{
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segment=360 / n;
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for (i=[1:n])
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{
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rotate([0, 0, segment*i+myRot])
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translate ([r,0,0])
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children();
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}//for
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}//module
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module roundedCube (myBoxWidth,myBoxDepth,myBoxHeight,minkRadius)
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//** Same as regular cube, but with rounded sides and bottom
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//** maintains proper 'cube' dimensions due to compensation for object expansion
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//** that normally occurs while using Minkowski operations in OpenSCAD)
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{
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union()
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{
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minkowski(){
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cube([myBoxWidth-minkRadius*2,myBoxDepth-minkRadius*2,myBoxHeight-minkRadius*2], center = true);//Main plate original cube([90,testSize8,8.5]
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sphere(r=minkRadius,center=true,$fn=30);
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} //end mink
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}//end union
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}//end module roundedCube

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