Quantity   Component name
1 × BMP180 - Barometric Pressure Sensor Part of the environmental sensors, both pressure and temperature.
1 × BH1750 - Ambient Light Sensor Part of te environmental sensors, light in Lux
1 × DS3231 - Realtime Clock - Temperature Controlled Crystal Oscillator A ready made module from eBay. Advantages over the DS1307 are voltage, accuracy and alarms.
2 × Servo's - Regular Regular servo's to open the flaps.
1 × Solar Panel 10W or 20W It would be great to make the greenhouse outside autonomous. A simple 10 or 20 Watt panel could charge a battery and drive electronics.
2 × 6V Submersible Pump A small pump from eBay capable of transporting water. Part of the irrigation/feeding system
2 × Rubber hose 3M Rubber hose that can be used as irrigation hose.
5 × Plant sensors Sensors that can sense the humidity of the plants (should be 6 items).
2 × Drive Electronics 2 Power MOSFETs to switch pumps.
1 × Polymorph approx. 200gr of Polymorph to create custom plastic components.
1 × IKEA Socker Greenhouse + 8 pots + seeds + earth A very cheap greenhouse for urban gardening. Available in Holland, but probably in other countries as well.
1 × Raspberry Pi Model A + SD + Supply + Wifi + Supply The most Basic version of the Raspberry Pi with the necessary components. The Raspberry Pi will serve as a gateway for the greenhouse
1 × Arduino/Launchpad Still experimenting with the different launchpads to power the greenhouse's internals.
2 × NRF24L01+ dongle Approx $1.60 on eBay, these modules are dirt cheap and provide just enough range to put the greenhouse outside and the gateway inside.