LECHAL: haptic feedback based navigation shoe (for the blind)

[lab_alert type=”success”]US Patents Pending[/lab_alert] I started Lechal as a DIY project in 2010. After 5 years Le-chal has evolved as a full-fledged lifestyle product now. Lechal was started in 2010 with a simple sketch and an Arduino lilypad prototype. This made me quit my job at HP Labs, which HP mentioned. After 6 months of initial …

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