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  1. 5PCS 3.3V-5V Photodiode Module LM393 Light Sensor Switch Module for Arduino Rasp

    5PCS 3.3V-5V Photodiode Module LM393 Light Sensor Switch Module for Arduino Rasp

  2. 2PCS ENS160+AHT21 Carbon Dioxide CO2 eCO2 TVOC Air Quality and Temperature and H

    2PCS ENS160+AHT21 Carbon Dioxide CO2 eCO2 TVOC Air Quality and Temperature and H

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