Initial commit

env_sensors.md

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+# Environment Sensors
+
+We want to record two things at minimum, temperature and humidity.
+
+| PN# | IC/PN# Cost | Module Cost | Extra Values | Notes |
+| ---- | ---- | ---- | ---- | ---- |
+| SHT30 | $4.00 | $3.70 | None |  |
+| SHT31 | $7.00 | $7.00 | None |  |
+| BME680 | | $11.50 | VOC | VOC=volatile organic compounds |
+| DHT22 | | $7.00 | None | |
+| Si7021 | | $5.00 | None | |
+| AHT20 | | | | |
+| AM2320 | | $3.00 | None | |

readme.md

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+# Electronic Notes
+
+This contains various notes I would feel are worthy of maintaining at least in some sense. Not the best, but it's something!
+