- 1 x ESP32 Development Board- 1 x 0.96-inch OLED- 30 x Resistors (220R/1K/10K)- 1 x Passive Buzzer- 1 x Active Buzzer- 1 x 830 Tie-Point Breadboard- 1 x Obstacle Avoidance Module- 1 x Photosensitive Resistor Module- 1 x DHT11 Temperature and Humidity Module- 1 x HC-SR501 PIR Motion Sensor- 1 x Pote..