Added PCB components to OpenGrab and functions to access PCB.

readme.md

@@ -2010,6 +2010,8 @@ A permanent magnet that can be magnatized and de-magnatized electronically.
 | Function | Description |
 |:--- |:--- |
 | ```opengrab_depth()``` | Module height |
+| ```opengrab_pcb()``` | The PCB |
+| ```opengrab_pcb_z()``` | PCB offset from the front |
 | ```opengrab_target_thickness()``` | Target sheet thickness |
 | ```opengrab_width()``` | Module width |
 

tests/opengrab.scad

@@ -21,9 +21,9 @@ include <../utils/core/core.scad>
 use <../vitamins/opengrab.scad>
 
 module opengrab_test() {
+    rotate(45)
         opengrab_target();
 
-    rotate(45)
     translate_z(opengrab_target_thickness())
         opengrab();
 }

vitamins/opengrab.scad

@@ -24,18 +24,27 @@
 //
 include <../utils/core/core.scad>
 use <../utils/thread.scad>
+use <pcb.scad>
+include <smds.scad>
 
 pitch = 33.8 / 2;
 width = 40;
 depth = 18;
 magnet = 4.3;
-pcb = 0.8;
 pillar = 6;
 target = 1;
 pole_w = 2;
 pole_l = 36;
 poles = 15;
 
+pcb = ["", "",        width, width, 0.8, 0, 3.5, 0, "darkgreen", false, [],
+    [     [ 3.45,   19,   0, "button_4p5mm"],
+          [ 2.75,   24.5, 0, "smd_led", LED0805, "green"],
+          [ 2.75,   28.0, 0, "smd_led", LED0805, "red"],
+          [ 28.5,   13,   0, "2p54header", 3, 1, false, undef, true],
+     ]];
+
+
 module opengrab_hole_positions()    //! Position children at the screw positions
     let($d = 3.2)
         for($x = [-pitch, pitch], $y = [-pitch, pitch])
@@ -51,6 +60,8 @@ module opengrab_side_hole_positions() //! Position children at the two 4mm hole
 function opengrab_width() = width;                               //! Module width
 function opengrab_depth() = depth;                               //! Module height
 function opengrab_target_thickness() = target;                   //! Target sheet thickness
+function opengrab_pcb() = pcb;                                   //! The PCB
+function opengrab_pcb_z() = depth - pillar - pcb_thickness(pcb); //! PCB offset from the front
 
 module opengrab() { //! Draw OpenGrab module
     vitamin("opengrab(): OpenGrab V3 electro permanent magnet");
@@ -67,10 +78,9 @@ module opengrab() { //! Draw OpenGrab module
                 cube([pole_w, pole_l, 1], center = true);
     }
 
-    color("darkgreen")
-        translate_z(depth - pillar - pcb / 2)
-            cube([width, width, pcb], center = true);
-
+    not_on_bom()
+        translate_z(opengrab_pcb_z())
+            pcb(pcb);
 
     translate_z(1)
         opengrab_hole_positions() {