Check out the software bit here
For the hardware, some of the things we got:
- Raspberry Pi (https://amzn.to/2XULT2z)
- TP-link Smart plug (https://www.lazada.sg/products/tp-link-hs100-2-pack-kasa-smart-wi-fi-plug-2-pack-i369914679-s863050976.html)
- Sensibo Aircon controller (https://sensibo.com/products/sensibo-sky)