Quantity   Component name
1 × PCBWay Custom PCB
1 × Arduino Nano 33 BLE
1 × Waveshare 2.9'' E-Paper Module
1 × DHT22 Temperature and Humidity Sensor
1 × Creality CR-200B 3D Printer
1 × MQ-4 Air Quality Sensor
1 × MQ-7 Air Quality Sensor
2 × L9110 Keyes Fan Motor
2 × Logic Level Converter (Bi-Directional)
1 × 2-Way Relay
1 × 5mm Common Anode RGB LED
1 × Buzzer
1 × 20K Resistor
1 × Power Jack
1 × Jumper Wires