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include <helpers.scad>
include <noctua_nf_a4x20.scad>
radxa_zero_3e_pcb_w = 30;
radxa_zero_3e_pcb_h = 65;
radxa_zero_3e_pcb_thickness = 1.6;
radxa_zero_3e_pcb_screw_offset = 3.5;
radxa_zero_3e_pcb_distance_between_holes_w = 23;
radxa_zero_3e_pcb_distance_between_holes_h = radxa_zero_3e_pcb_h - radxa_zero_3e_pcb_screw_offset * 2;
rpi_protoboard_connectors_h = 12;
rpi_protoboard_z_offset = 15;
radxa_zero_3e_fan_hole_offset = 28;
radxa_zero_3e_mount_plate_screw_holder_height = 4;
radxa_zero_3e_mount_plate_h = 2;
function radxa_zero_3e_pcb_size() = [
radxa_zero_3e_pcb_w,
radxa_zero_3e_pcb_h,
radxa_zero_3e_pcb_thickness];
module radxa_zero_3e()
{
pcb_w = radxa_zero_3e_pcb_w;
pcb_h = radxa_zero_3e_pcb_h;
pcb_t = radxa_zero_3e_pcb_thickness;
//rotate([90, 0, 0])
//translate([-pcb_w / 2, -pcb_h / 2, veye_imx287_pcb_thickness])
translate([-pcb_w / 2, 0, 0])
rotate([0, 0, -90])
translate([0, 0, pcb_t])
import("rs109_pcba.stl");
// sd card
sd_card_z_offset = 3;
sd_card_w = 11;
translate([0, -pcb_h, -3])
cube([sd_card_w, sd_card_z_offset * 2, 1], center = true);
}
module rpi_zero_protoboard()
{
s = radxa_zero_3e_pcb_size();
w = s[0];
h = s[1];
t = s[2] + rpi_protoboard_connectors_h;
r = 2.5;
//translate([0, -s[1] / 2, 0])
//cube(s, center = true);
translate([0, 0, rpi_protoboard_z_offset])
hull()
{
for (x = [-(w / 2 - r), (w / 2 - r)], y = [-(h - r), -r])
{
translate([x, y, 0])
cylinder($fn = diameterToFn(r * 2), h = t, r = r);
}
}
}
module radxa_zero_3e_with_protoboard()
{
radxa_zero_3e();
rpi_zero_protoboard();
}
module radxa_zero_3e_rj45_male()
{
// outer z (scanner coords) size of rj45 connector is
// 8 mm, including bended wires
z_delta = 8;
w = 11.6;
h = 6.6;
// apply outer z (scanner coords) size
// put inside rj45 female
translate([0, 10.45, 2.3])
cube([w, z_delta, h], center = true);
}
module radxa_zero_3e_with_protoboard_and_connectors()
{
radxa_zero_3e_with_protoboard();
radxa_zero_3e_rj45_male();
}
module radxa_zero_3e_mount_plate()
{
// outer screw holder diameter. there is no more space there,
// so only round 6 mm screw holders will fit under radxa
oshd = 6;
// screw holder height
shh = radxa_zero_3e_mount_plate_screw_holder_height;
dbhw = radxa_zero_3e_pcb_distance_between_holes_w;
dbhh = radxa_zero_3e_pcb_distance_between_holes_h;
so = radxa_zero_3e_pcb_screw_offset;
outer_cyl_delta = so - oshd / 2;
ocd = outer_cyl_delta;
bph = radxa_zero_3e_mount_plate_h;
hih = hole_insert_height;
hid = hole_insert_diameter;
echo("radxa_zero_3e_pcb_distance_between_holes_h: ", radxa_zero_3e_pcb_distance_between_holes_h);
echo("dbhh: ", dbhh);
difference()
{
union()
{
// hole holders
translate([0, 0, -shh / 2])
for (xo = [-dbhw / 2, dbhw / 2], yo = [-so, -so - dbhh])
{
//translate([-dbhw / 2, -so, 0])
translate([xo, yo, 0])
cylinder($fn = dToFn(oshd), d = oshd, h = shh, center = true);
}
// outer hole holders
*translate([0, 0, -shh / 2])
for (xo = [-dbhw / 2 - ocd, dbhw / 2 + ocd], yo = [-so + ocd, -so - dbhh - ocd])
{
translate([xo, yo, 0])
cylinder($fn = dToFn(oshd), d = oshd, h = shh, center = true);
}
// bottom plate
hull()
translate([0, 0, -shh - bph / 2])
for (xo = [-dbhw / 2, dbhw / 2], yo = [-so, -so - dbhh])
{
//translate([-dbhw / 2, -so, 0])
translate([xo, yo, 0])
cylinder($fn = dToFn(oshd), d = oshd + 1, h = bph, center = true);
}
// fan: distance between holes
fdbh = ld3007ms_distance_between_holes;
// fan/plate hole holders
fan_plate_hole_holder_h = hih - bph;
fphhh = fan_plate_hole_holder_h;
translate([0, 0, -shh / 2])
translate([0, -radxa_zero_3e_fan_hole_offset / 2 - (oshd - hid), -fphhh / 2])
for (xo = [-fdbh / 2, fdbh / 2], yo = [0, 0 - fdbh])
{
//translate([-dbhw / 2, -so, 0])
translate([xo, yo, 0])
cylinder($fn = dToFn(oshd), d = oshd, h = fphhh, center = true);
}
}
}
}
// with screw holes and fan holes
// TODO: production: create a new one with normal holes and w/o fan holes
module radxa_zero_3e_mount_plate_holes()
{
// fan hole diameter, put under CPU
fan_hole_d = ld3007ms_w - 2;
fhd = fan_hole_d;
fan_hole_h = 10;
fhh = fan_hole_h;
// screw holder height
shh = radxa_zero_3e_mount_plate_screw_holder_height;
// TODO: deduplicate, move to a global var
bottom_plate_h = 2;
bph = bottom_plate_h;
dbhw = radxa_zero_3e_pcb_distance_between_holes_w;
dbhh = radxa_zero_3e_pcb_distance_between_holes_h;
so = radxa_zero_3e_pcb_screw_offset;
hid = hole_insert_diameter;
// fan holes
translate([0, -radxa_zero_3e_fan_hole_offset, 0])
hull()
{
// top
translate([0, 0, -shh + $tiny_padding])
cylinder($fn = dToFn(fhd), d = fhd - 2, h = 0.001, center = true);
// bottom
translate([0, 0, -shh - bph + $tiny_padding])
//cylinder($fn = dToFn(fhd), d = fhd, h = fhh, center = true);
cylinder($fn = dToFn(fhd), d = fhd, h = 0.001, center = true);
// prolongate to cut scanner main frame
translate([0, 0, -20])
//cylinder($fn = dToFn(fhd), d = fhd, h = fhh, center = true);
cylinder($fn = dToFn(fhd), d = fhd, h = 0.001, center = true);
}
// fan screw holders holes
translate([0, 0, -bph - shh - $tiny_padding])
radxa_zero_3e_mount_plate_outer_holes();
// radxa hot inserts holes
translate([0, 0, -shh / 2])
for (xo = [-dbhw / 2, dbhw / 2], yo = [-so, -so - dbhh])
{
//translate([-dbhw / 2, -so, 0])
translate([xo, yo, $tiny_padding])
cylinder($fn = dToFn(hid), d = hid, h = shh, center = true);
}
}
module radxa_zero_3e_mount_plate_with_holes()
{
shh = radxa_zero_3e_mount_plate_screw_holder_height;
bph = radxa_zero_3e_mount_plate_h;
//color("green", 0.1)
difference()
{
radxa_zero_3e_mount_plate();
radxa_zero_3e_mount_plate_holes();
}
translate([0, -radxa_zero_3e_fan_hole_offset, -shh - bph])
rotate([-90, 0, 0])
*%ld3007ms();
}
// these holes should be positioned by a module which knows
// radxa position in body, so putting them at z==0 for now
module radxa_zero_3e_mount_plate_outer_holes()
{
shh = radxa_zero_3e_mount_plate_screw_holder_height;
bph = radxa_zero_3e_mount_plate_h;
translate([0, -radxa_zero_3e_fan_hole_offset, 0])
rotate([90, 0, 0])
ld3007ms_holes();
}
//radxa_zero_3e();
//rpi_zero_protoboard();
//radxa_zero_3e_with_protoboard();
//%radxa_zero_3e_rj45_male();
*%radxa_zero_3e_with_protoboard_and_connectors();
*translate([0, 0, -6 - $tiny_padding])
*radxa_zero_3e_mount_plate_outer_holes();
*radxa_zero_3e_mount_plate();
*radxa_zero_3e_mount_plate_with_holes();
*radxa_zero_3e_mount_plate_outer_holes();
//translate([0, fwo, 0])
//translate([0, 0, 20])
translate([0, 0, -10])
//translate([0, 0, radxa_zero_3e_pcb_h - 5])
//rotate([90, 0, 0])
*%radxa_zero_3e_mount_plate_outer_holes();
// debug, visualize 1 mm
*union()
{
translate([15 - 0.5, -28, -6])
cube([1, 1, 1], center = true);
translate([15 - 0.5, -28, -3])
cube([1, 1, 1], center = true);
}
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