Quantity   Component name
1 × ESP8266 The IOT thing
1 × SG90 servo
2 × Resistor 4,7Kohm
1 × Resistor 120ohm
1 × Resistor 470ohm
1 × Capacitor 1uF
1 × Transistor NPN Found on old PCB, unknown type
1 × 5V power supply I used anold phonecharger