Quantity   Component name
1 × PCBWay Custom PCB
1 × Arduino Nano R3
1 × ST7789 240x240 IPS Screen
1 × IR Remote Control and Receiver
1 × MQ-2 Gas Sensor
1 × MQ-3 Gas Sensor
1 × MQ-4 Gas Sensor
1 × MQ-6 Gas Sensor
1 × MQ-9 Gas Sensor
1 × Buzzer
1 × 5mm Common Anode RGB LED
7 × 220 ohm Resistor
5 × 20K Resistor
1 × DC Power Connector, Jack
1 × External Battery (5V)