/Modules/ARM/ODROID-U3/CAD/Board_support.scad
4,21 → 4,38
clear = 0.175;
nut_size = 6.6;
 
module ramp(width, depth, height) {
angle = atan(height / depth);
difference () {
cube([width, depth, height]);
//color("red")
rotate([angle, 0, 0])
translate([-1, 0, 0])
cube([width + 2, depth * 2, height]);
}
}
 
difference () {
// translate ([-1,-16,0])
cube([50,100,pedestal_height]);
 
//mount holes for ODROID U3
translate ([4.5,4.5 + 76 ,0])
translate ([4.5,4.5 + 76, 0])
rotate([0,0,90])
cylinder (h = pedestal_height ,r= nut_size/2 + clear, $fn=6);
cylinder (h = 6 ,r= nut_size/2 + clear, $fn=6);
translate ([4.5,4.5 + 76, 6.2])
cylinder (h = pedestal_height, r= mount_hole/2, $fn=10);
translate ([4.5+41,4.5 + 76,0])
translate ([4.5 + 41, 4.5 + 76,0])
rotate([0,0,90])
cylinder (h = pedestal_height,r= nut_size/2 + clear, $fn=6);
cylinder (h = 6,r= nut_size/2 + clear, $fn=6);
translate ([4.5 + 41, 4.5 + 76, 6.2])
cylinder (h = pedestal_height, r= mount_hole/2, $fn=10);
 
 
/// Two holes for other side of ODROID-U3 PCB. Code is not used because the position of holes is practically identical with position of MLAB holes in grid.
/// Two holes for other side of ODROID-U3 PCB.
translate ([4.5,4.5,0])
cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
translate ([4.5,4.5,6.2])
51,47 → 68,65
}
 
////////////////////////////////////
translate ([0, 40 , pedestal_height - 4.5]) // HOLE for ODROD's jack connector, SD card and eMMC.
cube([48,35,5]);
translate ([4,6, pedestal_height - 4]) // ODROIDs passive components hole.
cube([42,27,5]);
translate ([13, 2 , pedestal_height - 4]) // two small resistors on botom side.
cube([3,3,5]);
translate ([22, 30 , pedestal_height - 4]) // USB over voltage protection.
cube([21,5,5]);
translate ([0, 41 , pedestal_height - 3.5]) // HOLE for ODROD's , SD card and eMMC.
cube([48,32,5]);
translate ([0, 38.5 , pedestal_height - 4.5]) // HOLE for ODROD's jack connector
cube([14,8,5]);
translate ([0, 65 , pedestal_height - 3.5]) // HOLE for ODROD's , SD card and eMMC.
cube([17,13,5]);
 
translate ([4,6, pedestal_height - 4.5]) // ODROIDs passive components hole.
cube([42,27,5]);
////////////////////////////////////////
//// lightening central holes
translate ([11,11, 0]) // ODROIDs passive components hole.
cube([28,19,pedestal_height ]);
translate ([10,10, 0]) // ODROIDs passive components hole.
cube([30,19.5,pedestal_height ]);
translate ([11,42, 0]) // ODROIDs passive components hole.
cube([28,27,pedestal_height ]);
translate ([10,41, 0]) // ODROIDs passive components hole.
cube([30,30,pedestal_height ]);
//////
// MLAB electrical adapter part
///////
difference () {
translate ([8,74.9,pedestal_height - 11]) // Holes for MLAB's adapter connectors.
cube([34,17.1,20]);
translate ([8,74.9,pedestal_height - 11]) // Central mount hole
cube([34,17.1,pedestal_height - 8.5]);
translate ([25,85.78,0])
cylinder (h = 30, r= nut_size*0.7, $fn=20);
}
 
translate ([42,84,pedestal_height - 11]) // Holes for MLAB's adapter connectors.
cube([34,8,20]);
translate ([0,84, pedestal_height - 8.5]) // Holes for MLAB's adapter 5V power connector.
cube([50,20,20]);
 
translate ([8,92,pedestal_height - 11]) // Holes for MLAB's adapter connectors.
cube([34,8,20]);
translate ([42,84,pedestal_height - 11]) // Holes for MLAB's adapter 5V power connector.
cube([34,8,pedestal_height - 8.5]);
 
translate ([8,92,pedestal_height - 11]) // Holes for MLAB's adapter IO connectors.
cube([34,8,pedestal_height - 8.5]);
 
translate ([-2,74.9, pedestal_height - 8.5]) // Hole for MLAB PCB
cube([55,25.1,20]);
translate ([0,74.9, pedestal_height - 8.5]) // Hole for MLAB PCB
cube([50,25.1,2]);
translate ([7.5,78,pedestal_height - 8.5]) // Hole For connectors above the adapter PCB
cube([35.5,17.1,10]);
 
translate ([0,74.9, pedestal_height - 6.5])
ramp(50, 50, 25);
/////// Elecrical adapter PCB mount holes
 
translate ([25,85.78,0])
cylinder (h = 3, r= (nut_size+clear)/2, $fn=6);
translate ([25,85.78,3.2])
cylinder (h = pedestal_height + clear,r= mount_hole/2, $fn=10);
 
 
translate ([4.68,85.78 + 10.16,0])
cylinder (h = 3, r= (nut_size+clear)/2, $fn=6);
translate ([4.68,85.78 + 10.16,3.2])
105,3 → 140,9
}
 
 
/// Support material
/*
color("Blue",0.5)
//translate ([0,74.9, pedestal_height - 8.5]) // Hole for MLAB PCB
cube([50,70,30]);
*/