A developer created LightComposer, a handheld lamp that uses a rotary encoder to control 32 addressable LEDs without requiring an app or wireless connectivity. The project pairs Arduino-based control with a thoughtfully designed 3D-printed enclosure, making it an accessible reference for tactile interface design. With open-source files available online, it demonstrates how straightforward physical interaction can replace the complexity of smartphone-dependent smart home devices.
Read the full article at Hackaday
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Ali NematiWritten by Ali
