This is a small ESPHome project designed to control and monitor a garage door opener using an optical encoder as a movement sensor. For example, the Precision PDS-800. Key features include: The door ...
Abstract: This work presents a 4x2 optical encoder based on a two-dimensional photonic crystal (2D PhC) structure for fast optical communication. The proposed 4×2 encoder design comprises four inputs ...
Advanced line maze solver using ESP32 and 8-channel RLS-08 hybrid sensor array (6 analog + 2 digital). Features adaptive speed control, junction prediction, and competition-grade performance.
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