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MINI MII

WEST MIDLANDS DIGITAL D&T SUPPORT CENTRE. MINI MII . INTEGRATED CAD/CAM AND E-TEXTILES. HEIDI AMBROSE-BROWN WITH PAUL SPENCE. CREATING THE AVATAR. www.weeworld.com no need to sign up or register. Developing the design. SPEEDSTEP ProSketch / open background.

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MINI MII

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  1. WEST MIDLANDS DIGITAL D&T SUPPORT CENTRE MINI MII INTEGRATED CAD/CAM AND E-TEXTILES HEIDI AMBROSE-BROWN WITH PAUL SPENCE

  2. CREATING THE AVATAR www.weeworld.com no need to sign up or register.

  3. Developing the design SPEEDSTEP ProSketch/ open background. Trace around the outlines in contrasting colour. Delete background to leave outline.

  4. ProPainter : add colour then send to sublimation printer.

  5. BACK VIEW: ProSketch: delete lines and put in new ones to make up back view Pro Painter: Add colour but remember to flip image before sublimation printing

  6. STITCHING THE CIRCUIT Take a second print of the front onto a separate piece of fabric. This becomes the middle layer onto which the circuit is stitched. Means all components can be positioned correctly.

  7. CREATING THE CIRCUIT: IDENTIFY THE COMPONENTS PIC or chip. Used to program the outputs. Resistors for LEDs (4) Value is 000 because the LEDs already have some resistance built in. Socket for the program-ming lead to slot into. Resistors for the PIC. Value 103 and 104

  8. POWER SUPPLY Cell Retainer 3V Coin cell Mini slide switch 3v PCB

  9. PIEZO SOUNDER AND BOARD

  10. SOLDERING THE POWER SUPPLY

  11. SOLDERING THE PIEZO SOUNDER Solder paste on both pads and press on the sounder – doesn’t matter which way round.

  12. SOLDERING THE DAISY PIC : USING SOLDER PASTE. R1-4 all have resistors value 000 R5 Paste resistor value 103 R6 Paste resistor value 104

  13. STITCHING SCHEMATIC Avoid lines of stitching touching. Watch out for loops in thread. Use scrap fabric to create bridge over stitches if needed

  14. You decide where you want the power supply to be. If the product were to be made up it would be on the back so that the coin cell could be replaced easily. How would your students conceal this? Bridge

  15. MAKING THE SOFT SWITCH Cut hole in centre of foam – make sure you can feel the table when you press on it. Stitch conductive fabric onto foam to cover the hole – do this top and bottom.

  16. SUPPLIERS www.electronelec.co.uk • Daisy pic 08 kit • 3v pcb kit • LEDs • Solder paste • Oven • Piezo sounder board • Piezo sounder – on its way! • Conductive thread – on its way! • Coin cells www.mindsetsonline.co.uk - Conductive fabric - order Zelt. www.rapidonline.co.uk – rainbow LEDs

  17. Attaching conductive thread to soft switch. Slide needle between the foam and conductive fabric. Come up into conductive fabric about 5mm from edge. Oversew about 4 times to get a good connection between the two. Turn the switch upside down so that the thread is coming off the bottom surface and stitch to either +V on daisypic or GP3. Repeat for the top of the switch, over-sewing the conductive thread 4 times and stitch to either +V on daisypic or GP3.

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