footprints: OLED 3D model

footprints/oled/oled.3dshapes/oled.scad

@@ -0,0 +1,98 @@
+/*
+Open freecad, select Workbench OpenSCAD
+import file, select group, save as freecad file,
+close, open freecad file and export to VRML 2.0 (wrl file)
+https://www.freecadweb.org/wiki/Import_OpenSCAD_code
+*/
+
+n_pins=7; // number of pins
+pin_pitch=2.54; // pin pitch
+pin_thick=0.7;
+
+// 0.96" COLOR OLED SSD1331
+body=[27.2,30.7,2]; // PCB dimensions of the display
+height=6; // body above z axis
+hole_d=2.5; // hole diameter
+hole_edge=2; // hole center to body edge
+color_body=[0.03,0.03,0.15];
+color_rgbw=[[1,0,0],[0,1,0],[0,0,1],[1,1,1]];
+
+// pin protrusions
+pin_above=1; // above the display
+pin_below=2; // below the height
+color_pin="white";
+
+
+font = "Liberation Sans";
+letter_size = pitch/2;
+letter_height = pitch/16;
+color_letter="white";
+enable_letter=0; // letters don't work after exporting to VRML
+
+module letter(l,scale=1)
+{
+  // Use linear_extrude() to make the letters 3D objects as they
+  // are only 2D shapes when only using text()
+  linear_extrude(height = letter_height*scale)
+  {
+	text(l, size = letter_size*scale, font = font, halign = "center",
+     valign = "center", $fn = 16);
+  }
+}
+
+
+module inscription(scale=1)
+{
+  translate([
+    (0-n_switches/2+0.5)*pitch,
+    body[1]/2-letter_size,
+    body[2]/2-letter_height*scale])
+      letter("ON");
+  for(i = [0:n_switches-1])
+  {
+    translate([
+    (i-n_switches/2+0.5)*pitch,
+      -body[1]/2+letter_size,
+      body[2]/2-letter_height*scale])
+      letter(chr(48+(i+1)%10));
+  }
+}
+
+module oled()
+{
+      translate([0,(body[1]/2-pin_pitch*0.75),-body[2]/2+height])
+          difference()
+          {
+            color(color_body)
+              cube(body, center=true);
+            union()
+            {
+            // color stripes display simulation
+            for(i=[0:len(color_rgbw)-1])
+            translate([0,-body[1]/8*(i-len(color_rgbw)/2+0.5),body[2]/2])
+              color(color_rgbw[i])
+                cube([body[0]*0.9,body[1]/8,0.1],center=true);
+            // holes
+              for(i=[-1:2:1])
+                for(j=[-1:2:1])
+                  translate(
+                  [
+                    i*(body[0]/2-hole_edge),
+                    j*(body[1]/2-hole_edge),
+                    0
+                  ])
+                    cylinder(d=hole_d,h=body[2]+0.1,$fn=24,center=true);
+            }
+          }
+      // the pins
+      for(i = [0:n_pins-1])
+      {
+        // pins
+          translate([(i-n_pins/2+0.5)*pin_pitch,0,-body[2]/2*0+(height+pin_above+pin_below)/2-pin_below])
+            color(color_pin)
+              cube([pin_thick,pin_thick,height+pin_above+pin_below],center=true);
+      }
+}
+
+// scale(1/2.54) // required scale for KiCAD VRML file dipswitch_smd.wrl
+oled();