Quantity   Component name
1 × Plantower PMS3003/5003/7003 Laser particular matter sensor with a serial interface
1 × ESP-12F ESP8266-based embedded WiFi module
1 × HTU21D Sensors / Temperature, Thermal
10 × SMD RGB LED
2 × SMD TACT
1 × TLV1117LV33DCY Power Management ICs / Linear Voltage Regulators and LDOs
1 × BSS214N Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs