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# Environmental sensor ## CO₂ https://sensirion.com/products/catalog/SEK-SCD41/ https://github.com/Sensirion/arduino-i2c-scd4x connector: JST PH 2.0mm 4 pin ## particulate https://sensirion.com/products/catalog/SPS30/ https://github.com/Sensirion/arduino-sps connector: JST ZH 1.5mm 5 pin ## controller http://www.lilygo.cn/claprod_view.aspx?TypeId=62&Id=1391&FId=t28:62:28 https://github.com/Xinyuan-LilyGO/LilyGo-T5-ink-series battery: JST 1.25mm 2 pin ## breadboarding μC: * 21 SDA green * 22 SCL yellow SCD41: * 1 SCL yellow * 2 GND black * 3 VDD white/red * 4 SDA green SPS30: * 1 VDD black * 2 SDA red * 3 SCL white * 4 SEL yellow → GND * 5 GND orange
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