Silicone Devices: A Scalable DIY Approach for Fabricating Self-Contained Multi-Layered Soft ...
summary
Scalable DIY workflow converts rigid PCB designs into soft, self-contained devices with onboard power, MCU, touch sensors and LEDs by combining CO2 laser cutter patterning, stencil printing of liquid metal and silicone casting. Circuits use gallium–indium–tin (eGaIn) traces with sheet resistance ~0.01–0.02 Ω/□, an Arduino reference becomes a three-layer soft board with 30 buried VIAs, and a sample stretched 1,000 cycles to 200% shows only ~5.7% resistance increase, demonstrating practical robustness.
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chapters (10)
- 0:00Introduction and motivation
- 1:09What are silicon devices
- 3:00Why DIY soft circuits matter
- 7:14How it works in practice
- 9:01Step-by-step fabrication process
- 12:57Advanced features and capabilities
- 13:59Example designs and applications
- 15:44Future work and limitations
- 17:28Conclusion and call to action
- 18:52Q&A session
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