Updated README, added datasheets

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+# Noah's IOT Garden
+
+# Features
+
+- Raspberry Pi Zero 2 W Computer
+    - RPI Camera
+    - WiFi
+    - GPIO
+- MQTT to Home Assistant ([source](https://www.home-assistant.io/))
+- Solenoid Water Valve for Soaker Hose
+    - 24V Solenoid
+    - MOSFET ([datasheet](./datasheets/sihfp460.pdf))
+- Soil Temperature
+    - Sealed probe
+    - 1-wire
+    - DS18B20 ([datasheet](./datasheets/ds18b20.pdf))
+- Capacitive Soil Moisture Sensor (x3)
+    - Purchased from Aliexpress, no datasheet.
+    - Epoxy to make waterproof.
+    - Telephone wire for cable.
+    - [Maker Guide](https://www.makerguides.com/capacitive-soil-moisture-sensor-with-arduino/) (makerguides.com)
+- Enviroment Sensor
+    - Temperature (thermometer)
+    - Atmospheric Pressure (barometer)
+    - Relative Humidity (hygrometer)
+    - I2C
+    - BMP280 ([datasheet](./datasheets/bst-bmp280-ds001.pdf))
+
+## Wiring
+
+
+
+## Future Ideas
+
+- Battery Backup
+- Wind Sensor (anemometer)
+- Rainfall Gauge (udometer)

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