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GMpi, sensors, and Slack alert. (A) Photograph of the complete GMpi setup with all peripheries attached. (B, C) Close‐up photos of the temperature and humidity sensor (DHT22) and light intensity sensor (TSL2591). (D) A snapshot of what an incoming alert from the GMpi looks like on Slack. This will alert all members of this workspace that the growth chamber has fallen out of the specified range for both light and humidity.
