E textile and wearables I

First experiment

I create a simple circuit to be familiar with the position of the LED, the resistor and the battery.

The led needs te be on the correct orientation. Anode (+) to cathode (-) from VCC to GRD (Ground).


D i g i t a l

Only two possibilities. ON/OFF

Contact sensor –> make the connection between two part to close the loop and create a circuit.


The circuit is placed on a breadboard to have an overview of the fonctionality.


A r d u i n o



I used the mold made during the assignment Bioplastic and Natural dying.

With the mold, I traced the lines on a copper foil and cut with scissors (the vinyl machine would have been more appropriate for this)

I add 3 LEDs and try to put them in series.

I cut the copper to separate in 3 parts for each led to not create a gap or a short circuit.

  • With a multimeter I check if the connections were correct.

I had to solder some part because of the glue on the copper paper.

Because the LEDs are in series and each need 3V I have to find a way to connect a 9V battery.

NB :The LEDs placed in parallel would have dispatched the Volt and it would have been possible to connect a smaller battery.

  • I place the circuit on Neoprene and add two stripes in copper to close the circuit between the VCC, the GRD and the battery.

Connecting the 9V battery to the stripes respecting the + and – the LEDs turn on.

  • I did a mix of bioplastic :

- 3ml Glycerin

- 12G gelatin

- 60ml water

- 3 drops of acrylic gold.

  • I pour the mixture on top of the circuit with the mold.

I let it dry few minute and removed the mold.

before to connect the battery to the circuit, the bioplastic need to dry to not create a short circuit because of the water in it.

after 3 days, I tested the circuit :