Buy the full WoT kit from the following suppliers:
Or buy all the parts separately:
| Description | Price | Online shops |
| Raspberry Pi (any model from the B+ onwards, but if you buy it new then get the latest, note that the Pi Zero is also supported!) | 5 to 30 USD | Official Site Buy on newark Buy on Sparkfun |
| 4-16 GB SD Card (e.g., SanDisk Ultra Class 10 microSDHC, 16GB) | ~10 USD | Buy on Ebay |
| PIR Sensor HCSR501 for Raspberry Pi | ~5 USD | Buy on Ebay Buy on SparkfunBuy on Element14 |
| Humidity + Temperature Sensor DHT22 | ~5 USD | Buy on Ebay Buy on Sparkfun Buy on Element14 |
| Small breadboard or protoboard | ~2 USD | Buy on EbayBuy on Element14 |
| Jumper wires for Raspberry Pi (4 M/M and 4 M/F) | ~2 USD | Buy on Ebay Buy on Sparkfun (here and here) Buy on Element14 |
| 330-Ohm resistor | ~1 USD | Buy on Element14 Buy on Ebay Buy on Sparkfun |
| LEDs | ~1 USD | Buy on Element14 Buy on Ebay Buy on Sparkfun |
| Optional, if you get a Pi Zero Pi Zero adapters | 25-75 USD | Official Site Buy on Ebay |
| Optional, if you get a Pi Zero Pi Zero adapters | 25-75 USD | Official Site |
| Optional, if you get a Pi Zero Wi-Fi Dongles |
25-75 USD | Official Site |
| Optional: IP camera (or a Web cam) |
25-75 USD | Official Site Buy on Ebay |
