Instructables

Using transparent silicone glue and conductive threads to make flexible LEDs Circuit

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Step 1: Materials for mounting the LEDs circuit

Picture of Materials for mounting the LEDs circuit
.The circuit consists of 3 flat square LEDs, connected to the Conductive Thread.
. The anode and cathode of the LEDs were cut and bent.
. Three ends of the conductive thread were twisted together so as to improve the conductivity.

Step 2: Making the LEDs Circuit

Picture of Making the LEDs Circuit
. The Anode and Cathode of the LEDs were bent over the conductive thread.
. The LEDs were connected in Parallel.

Step 3: Testing the LEDS circuit

Picture of Testing the LEDS circuit
. The Circuit was tested by connecting to a DC power supply

Step 4: Sealing the circuit in the silicone paste

Picture of Sealing the circuit in the silicone paste
. A rectangular piece of Aluminium, of size 8 cm by 5 cm with 3mm thickness, was used as a mould. 
. The circuit was sealed in the wet silicone paste.

Step 5: Removing the silicone from the mould

Picture of Removing the silicone from the mould
. Once dried, the silicone was easily removed from the mould.
. The silicone is very adhesive and normally will glue to most materials.
. The surface of the aluminium mould was made very smooth and this prevented the silicone to adhere to the surface.

Step 6: Testing the silicone LEDs circuit

Picture of Testing the silicone LEDs circuit

. The silicone circuit was further connected to a power supply and illuminated instantly creating a nice strong glow.
 

Step 7: Bending the silicone circuit

Picture of Bending the silicone circuit
. It was interesting to note that the silicone could be bent to almost 360 degrees on either side.
. While bending the silicone circuit, the LEDs inside, continued to stay lit.
. The silicone circuit was hand-washed several times.
. After each washing and drying, it was tested by connecting to the power supply.
. Amazingly, the circuit lit up.
. The sample was further washed two more times and the results were all the same.
. All LEDs lit up opening a wider scope for more experiments.
bkennelly3 years ago
Love this. Trying to come up with ways/places to use it and my mind is spinning. Thanks

The only thing slowing me down is the lack of local availability for iwde ranging electronics components - thank goodness for the internet :-)