Difference between revisions of "Jurus Sulam Listrik workshop 2022"

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= Jurus Sulam Listrik Workshop =
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= Jurus Sulam Listrik Workshop Lifepatch 2022 July  =
  
 
== Abstract ==
 
== Abstract ==
“I Am Very Happy I Hope You Are Too” 是一件在墨西哥瓦哈卡的駐村作品,這是一個結合了傳統刺繡工藝、導電縫線和電子零件的穿戴裝置,亦是一項柔性電路板的開發實驗。我隨意將一則來自朋友的信息放入由刺繡製成的LED文字播放器中,做為紀念這趟旅行的一種方式。
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This workshop introduce the technique that Shih Wei Chieh employs it in his e-textile work "I am Very Happy I Hope You are too" in his residency program in Oaxaca, Mexico 2013. The purpose was to allow, encourage untrained engineer, local aztec villager to participate circuits manufacturing with craft skill they are familiar with such as embroidery technique, stitching, weaving. In this workshop you will be introduced how to manufacture circuits with embroidery threads and conductive threads, assemble LEDs with sewing instead of soldering. However the smd components still require soldering. The circuits in this workshop we will using is from "Mixed Tape", which is an audio programmable Attiny85 circuit. Attiny85 is a micro Arduino chip which allowed you to do several task, it enables you to do several jobs like LED blinks, motor movements or sensor readings etc.
  
“I am Very Happy I Hope You Are Too” is a e-textile work that involves with cross-stitch embroidery and flexible electronics. It was made during an art residency program in Oaxaca, Mexico. A message from a friend of mine was put in the embroidered LED texts scroller, as a way to memorize this trip.
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== Materials ==
 +
Tweezers
  
 +
resistors 22
  
== Materials ==
 
Tweezers
 
Camera with stand
 
resistors 223
 
 
resistor 102
 
resistor 102
 +
 
Piezo  
 
Piezo  
 +
 
3.5 audio terminal  
 
3.5 audio terminal  
Coin battery  
+
 
 +
Coin battery 3V
 +
 
 
Battery holder
 
Battery holder
 +
 
Embroidery Needle
 
Embroidery Needle
 +
 
Embroidery frame  
 
Embroidery frame  
Capacitor nf   
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 +
Capacitor 100 nf
 +
 
 +
EMF tape
 +
 
 +
Attiny85
 +
 
 +
soldering gun
 +
 
 +
[https://www.amazon.com/Count-Embroidery-Counted-Stitch-Fabric/dp/B09B5VNJKW cross stitch canvas 22 ct]
 +
 
 +
== The Embroidered 8 bits Mixtape Synth circuit ==
 +
We will use the audio input part from the 8bit Mixtape synth NEO schematic for the embroidered circuit making. For the embroidery we will use the conventional embroidery canvas for cross stitch in 22 ct specs. 22 ct means 22 holes within one inch, therefore it is exactly same gap between SMD pins, 1.27 mm, so it perfectly simulate the PDB environment. However it is only my preference and I like the aesthetic, you may of course embroider with any kind of fabric.
 +
 
 +
<gallery>
 +
embroidered circuit 01.jpeg|embroidered circuit on cross stitch canvas 01
 +
embroidered circuit 02.jpeg|embroidered circuit on cross stitch canvas 02
 +
I am Very Happy I Hope You are too prototype 01.jpeg|embroidered circuit on cross stitch canvas 03
 +
I am Very Happy I Hope You are too prototype 02.jpeg|embroidered circuit on cross stitch canvas 04
 +
I am Very Happy I Hope You are too prototype 03.jpeg|embroidered circuit on cross stitch canvas 05
 +
</gallery>
 +
 
 +
steps
 +
# You can draw the circuit sketch on the embroidery canvas for your own schematic design, in theory you can make very fun pattern freely as long as the connections are all correct, or you can just make a very minimum circuit layout with shortest path like conventional PCB layout assignment. However it is recommended that you should leave some minimum distant between each component so it will be easier for the sewing work.
 +
# We need to solder some conductive threads onto each pins of the electronic components for the later embroidery sewing work.
 +
# Sewing up the component first, and then the connections. For the connections we don't use soldering either, we simply join the conductive threads by overlapping two threads together and then wrap it with embroidery threads with some pressure, so it can be conducted.  
 +
 
 +
<gallery>
 +
embroidered MixTape.png|embroidered Mixtape circuit
 +
8Bit-Mixtape-NEO.png|8 bits Mixtape schematic
 +
</gallery>
 +
 
 +
== The LEDs assembling ==
 +
The soldering is flexible circuits enemy! we always want to avoid soldering in any circumstance if you try to make a flexible circuits or wearable crafts. Of course it is impossible to avoid all the soldering but we try our best. Here we are using a special type of [https://www.arrow.com/en/products/lwt773-q2r2-5k8l/osram-opto-semiconductors?gclid=CjwKCAjw5Kv7BRBSEiwAXGDElWzNz5uiyTC9-0gWWS1Y6wHwregg1awu5_qKDlRLmlKJSd_sfE_oZhoCXrAQAvD_BwE Top LED] from Osram. It was two wings in ∫ shape, we can clamp it with tweezer so the LED can be attached with the conductive threads.
 +
 
 +
<gallery>
 +
closeup of embroidery threads and topled.jpeg|closeup of embroidery threads and TOPLED
 +
Osram TOP LED clamping.png|Osram TOP LED clamping
 +
</gallery>
 +
 
 +
 
 +
== Prototypes and the finish works ==
 +
Examples of the embroidered circuits and LEDs arrays.
 +
<gallery>
 +
I am Very Happy I Hope You are too 01.jpeg|I am Very Happy I Hope You are too final piece
 +
I am Very Happy I Hope You are too final piece.jpeg|I am Very Happy I Hope You are too final piece
 +
</gallery>
  
 
== References ==
 
== References ==
*[https://tribe-against-machine.org/wiki/tiki-index.php?page=Flexi+PCB+workshop+in+NTCRI&highlight=ws2812 Flexi PCB workshop in NTCRI by Audrey and Zohar]
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*[https://blog.adafruit.com/2014/01/08/scrolling-led-textile-display-wearablewednesday/ I am Very Happy I Hope You are too project intro on Adafruit]
*[http://tribe-against-machine.org/wiki/tiki-index.php?page=Maskless_Photolithography_with_Conductive_Fabric_and_DIY_Laser_Galvanometers Maskless Photolithography with Conductive Fabric and DIY Laser Galvanometers]
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*[https://blog.adafruit.com/2013/12/18/handmade-embroidered-circuits-wearablewednesday/ Handmade Embroidered Circuits on Adafruit]
*[https://www.flickr.com/photos/44763807@N05/albums/72157680145413933/with/33707284334/ mask + etching on conductive fabric using lard, vaseline, silicon, vinyl, UV photosensitive ink]
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*[https://tribe-against-machine.org/wiki/tiki-index.php?page=embroidered+LED&highlight=conductive%20thread Embroidered LED matrix and strips]
 +
*[https://github.com/8BitMixtape/8Bit-Mixtape-NEO 8bitMixtape github]

Revision as of 10:54, 1 July 2022

Jurus Sulam Listrik Workshop Lifepatch 2022 July

Abstract

This workshop introduce the technique that Shih Wei Chieh employs it in his e-textile work "I am Very Happy I Hope You are too" in his residency program in Oaxaca, Mexico 2013. The purpose was to allow, encourage untrained engineer, local aztec villager to participate circuits manufacturing with craft skill they are familiar with such as embroidery technique, stitching, weaving. In this workshop you will be introduced how to manufacture circuits with embroidery threads and conductive threads, assemble LEDs with sewing instead of soldering. However the smd components still require soldering. The circuits in this workshop we will using is from "Mixed Tape", which is an audio programmable Attiny85 circuit. Attiny85 is a micro Arduino chip which allowed you to do several task, it enables you to do several jobs like LED blinks, motor movements or sensor readings etc.

Materials

Tweezers

resistors 22

resistor 102

Piezo

3.5 audio terminal

Coin battery 3V

Battery holder

Embroidery Needle

Embroidery frame

Capacitor 100 nf

EMF tape

Attiny85

soldering gun

cross stitch canvas 22 ct

The Embroidered 8 bits Mixtape Synth circuit

We will use the audio input part from the 8bit Mixtape synth NEO schematic for the embroidered circuit making. For the embroidery we will use the conventional embroidery canvas for cross stitch in 22 ct specs. 22 ct means 22 holes within one inch, therefore it is exactly same gap between SMD pins, 1.27 mm, so it perfectly simulate the PDB environment. However it is only my preference and I like the aesthetic, you may of course embroider with any kind of fabric.

steps

  1. You can draw the circuit sketch on the embroidery canvas for your own schematic design, in theory you can make very fun pattern freely as long as the connections are all correct, or you can just make a very minimum circuit layout with shortest path like conventional PCB layout assignment. However it is recommended that you should leave some minimum distant between each component so it will be easier for the sewing work.
  2. We need to solder some conductive threads onto each pins of the electronic components for the later embroidery sewing work.
  3. Sewing up the component first, and then the connections. For the connections we don't use soldering either, we simply join the conductive threads by overlapping two threads together and then wrap it with embroidery threads with some pressure, so it can be conducted.

The LEDs assembling

The soldering is flexible circuits enemy! we always want to avoid soldering in any circumstance if you try to make a flexible circuits or wearable crafts. Of course it is impossible to avoid all the soldering but we try our best. Here we are using a special type of Top LED from Osram. It was two wings in ∫ shape, we can clamp it with tweezer so the LED can be attached with the conductive threads.


Prototypes and the finish works

Examples of the embroidered circuits and LEDs arrays.

References