Next: will move over the gaming dice related stuff to a separate thing.
3x3 LED schematics circuit (BETA)
3x3 LED pcb (BETA), outlines 38x38mm (40x40mm) image size 60x60mm, 1200 dpi
This is my take on making ( do not read raking in big money) a whole system of parts based on the cubes shape.
Mixing the parts together makes decoration, technical devices, switches, displays with LED,...
Put your pcb's in:
- inside top part
- before the top part
- in the middle of the mid section
- before the bottom part
- inside the bottom part
Even more? Depends on the layer thicknes of each slice (pcb with parts and solder on the copper) plus some clearance distance between the stacked pcb's.
See below the old scholl pcb stack cube.
All parts are designed for lightwight application.
When you put something heavy on the mount / stand, please upright only.
Now almost all parts have the unified holes distances.
Have you ever wanted to put as much as possible electronics in a tight space?
Make a stack from pcb's.
See below pointer to Harald Sattlers website.
See the pictures, it gives you the imagination, what is possible.
The pieces of foam (black and white) are 5mm thick).
shown with no batteries inside.
The inspiration came from the Heliox LED dice.
The way she made it pulled me hairs. No good.
I had it primarily intended for decorating the living room.
Imagine blinking up to 9 dot LED's instead of the 6 LED on the classic dice.
A LED matrix made of 9 rectangular LED (10x10mm) could be made?
Even small animations, kind of running snake, could be made.
See a short video sequence
Rename the "dice red on black.mp4.txt", by removing the .txt extension.
With the 7-segment LED other applications can be had.
Now it has turned to a measuring frontpanel thing too.
Lets think about :
- 3 minutes teeth brushing timer for the kids
- Volt-meter could check the voltage from power supply, car batterie, etc.
The power plug and the switch at the bottom get connected and secured in place by a separate pcb.
The mobile things can be powered by a cell coin or Super Capacitor.
NEW: Power from 2 pieces Akku AA 2/3 size
On permanent setups powering from external source.
The construction (mechanical):
For esthetical reason initially the dice measured 43x43x40mm.
Some demanding applications could require more space inside.
By printing a taller mid section it could be changed easily.
The dice can be build from 3 parts.
Choose one for the top, one for the bottom and allways the mid bottom.
All printable parts have been drawn from scratch.
All new parts have standoffs.
With the mid section (39.6mm) I have achieved a VERY good fit.
new parts come here sometimes
-battery holder 2AA 2/3 Akku, part goes inside the mid section
-bottom part with switch and holder 2AA 2/3 Akku
Parts used (electronics):
- 3* 7-segment LED TFK TDR5160
- 3.5mm DC Power Jack Socket Female Panel Chassis Mount
shaft diameter 7.4mm
flange diameter 9.8mm
overall length with leads 16,7mm
body length 12mm
- the monentary push button switch used
By chance the switch were made by France /USA based C&K, 25 years back in time.
shape rectangular: square 9.9-10mm
overall hight with leads: 11.3mm
body hight with cap without the positioning pins: 6.8mm
body without cap withoutpositioning pins: 6mm
Switches, other candidates:
- RAFI (Germany) Of course, no CHINEESE CHEESE please
- Racon 8 (width 8mm) used for industrial keyboards, automotive applications
The switch can be combined with several long/short pushers, caps.
0.34mm - thats not much travel! But it is doable.
- Very similar the Racon12 series, little bigger sized
- Taster S76M (mechanical switch)
force from 2,3N bis 12 N (automotive application)
There are some codes driving the ATTiny13 in question.
some of them require the Arduino IDE other do with Atmel Studio IDE.
Build the ATTiny13 dice on a perfboard, quick and dirty.
See the DL section, the code has the sleep mode.
When not activated the MCU goes to sleep draws a tiny current I could not measure.