Quantity   Component name
1 × ESP32 Development Board eg https://www.amazon.com/ESP-WROOM-32-Development-Microcontroller-Integrated-Compatible/dp/B08D5ZD528/
1 × DHT22 Temperature & Humidity Sensor eg https://www.amazon.com/HiLetgo-Temperature-Humidity-Electronic-Practice/dp/B0795F19W6/
1 × Raspberry Pi imaged with Home Assistant Or other Home Assistant instance on local network
1 × Weemo Smart Switch Or other HA compatible smart switch