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Home Assistant LDR This script allowes for reading an LDR photoresistant sensor on a Raspberry pi.

The device he’s holding in the picture is an Arduino based accelerometer and distance sensor meant for the Scratch language. Scratch is a programming language developed at MIT.

The Python program running on the Node MCU board analyses the sensors and triggers an automatic cleaning mechanism using an L293 driver to move cleaning brush across the surface of the solar panel.

Published in: 2015 IEEE Tenth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP) Article #: Date of Conference: 07-09 April 2015 Date Added to IEEE ...