Quantity   Component name
1 × ESP8266 I like this dev board: https://alselectro.wordpress.com/2016/06/27/home-automation-iot-demo-with-esp8266-wifi-iot-test-board/
2 × 1kΩ resistor Electronic Components / Misc. Electronic Components
2 × 4.7kΩ resistor
1 × Quick Charge 3.0 power supply I used a Tronsmart Presto 10400mAh power bank: https://www.amazon.com/Tronsmart-10400mAh-External-Portable-Technology/dp/B01KNJQZ4W
1 × Miscellaneous wires and connectors to suit your needs