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Building a "Hello World" for self-driving labs: The Closed-loop Spectroscopy Lab Light-mixing demo
Sterling G Baird1, Taylor D Sparks1
1Materials Science & Engineering Department, University of Utah, Salt Lake City, UT 84108, USA.
None:
Learn how to build a Closed-loop Spectroscopy Lab: Light-mixing demo (CLSLab:Light) to perform color matching via RGB LEDs and a light sensor for under 100 USD and less than an hour of setup. Our tutorial covers ordering parts, verifying prerequisites, software setup, sensor mounting, testing, and an optimization algorithm comparison tutorial. We use secure IoT-style communication via MQTT, MicroPython firmware on a pre-soldered Pico W microcontroller, and the self-driving-lab-demo Python package. A video tutorial is available at https://youtu.be/D54yfxRSY6s. For complete details on the use and execution of this protocol, please refer to Baird et al.1.
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