# 65: Resonant Frequency of My Butt

- Show: [Embedded.fm](https://hardwarepodcasts.com/podcast/embedded-fm)
- Published: 2014-08-27
- Length: 55m
- Page: https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt
- Listen: https://makingembeddedsystems.libsyn.com/embedded-ep65mp3

## Summary

Dr. Junhao Hu and Sharif Kassatly, founders of Darma, discuss their optical sensor-based smart cushion designed to monitor posture, heart rate, and stress levels. They detail their experience in the Haxlr8r accelerator, the technical challenges of measuring heart rate variability through body movement, and their strategic decision to choose between Kickstarter and Indiegogo for their crowdfunding campaign. The episode also covers their advisory team, including NASA's Dr. Joan Vernikos, and their long-term vision for a 'smart health home.'

## Chapters

- [0:06](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=6) Introduction and Guest Backgrounds
- [2:48](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=168) Darma Cushion Technology and Stress Detection
- [12:00](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=720) Posture Tracking and Biofeedback Mechanisms
- [16:10](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=970) Haxlr8r Accelerator and Manufacturing Support
- [19:46](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=1186) Crowdfunding Strategy: Kickstarter vs. Indiegogo
- [25:46](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=1546) Advisory Team and FDA Regulatory Considerations
- [37:16](https://hardwarepodcasts.com/podcast/embedded-fm/2014-08-27-65-resonant-frequency-of-my-butt#t=2236) Startup Advice and Future Vision

## Topics

- [Crowdfunding & preorders](https://hardwarepodcasts.com/topic/crowdfunding)
- [Sensors & measurement in products](https://hardwarepodcasts.com/topic/sensors)
- [Starting a product company](https://hardwarepodcasts.com/topic/starting-a-company)
- [Manufacturing partners & offshoring](https://hardwarepodcasts.com/topic/manufacturing-partners)
- [Validation & product-market fit](https://hardwarepodcasts.com/topic/validation-and-product-market-fit)
- [Connected products & IoT](https://hardwarepodcasts.com/topic/connected-products-and-iot)

## Most relevant to

founders before launch

## Mentioned

- Darma (product)
- Haxlr8r (company)
- Kickstarter (company)
- Indiegogo (company)
- Luma Back (product)
- Fitbit (product)
- HealthKit (tool)
- Coolest Cooler (product)

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- [#012 - Feel the beat - creating the world’s first wearable device for musicians, with Florian Simmendinger of Soundbrenner, Germany - Hong Kong](https://hardwarepodcasts.com/podcast/the-hardware-entrepreneur/2017-02-08-012-feel-the-beat-creating-the-worlds-first-wearable-device-for-musicians-with-f) (The Hardware Entrepreneur)
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## Citing this page

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