Quantity   Component name
1 × ESP32 DEV Module
1 × MLX90614 Infrared Thermometer Electronic Components / Misc. Electronic Components
1 × IR Infrared Obstacle Avoidance 3 Wire Reflective Photoelectric Sensor Module
3 × MAX7219 4 Digit Seven Segment Display Module Interface and IO ICs / Display Interface
3 × LED 2.5mm Red, Green, Yellow each
1 × 5V Buzzer