Quantity   Component name
1 × Waveshare ESP32-S3-Touch-LCD-4.3 Main controller board with integrated 4.3" IPS capacitive touchscreen (800×480), ESP32-S3 dual-core processor, 16MB Flash
1 × Sensirion SEN66 All-in-one environmental sensor module measuring PM1/2.5/4/10, CO₂, VOC, NOx, temperature, and humidity
1 × Adafruit SEN6x Breakout Adapter board for Sensirion SEN66 with STEMMA QT / Qwiic connectors
1 × Seeed Studio Grove - SFA30 Formaldehyde (HCHO) sensor module with Grove connector (optional component)
1 × Adafruit BMP580 / DPS310 / BMP581 High-precision barometric pressure sensor for weather trend tracking (choose one model)
1 × Adafruit PCF8523 RTC Real-time clock module with CR1220 battery backup for time keeping without WiFi
1 × Adafruit Qwiic / STEMMA QT 5-Port Hub I2C multiplexer hub for connecting all sensors via standardized cables
1 × Seeed Grove - Screw Terminal terminal with screw connectors
1 × Electrolytic Capacitor 10V 470µF Radial leaded aluminum electrolytic capacitor for power supply stabilization (can substitute with higher voltage/capacitance)
3 × Grove to STEMMA QT Cable (100mm) JST-SH 4-pin cables for I2C sensor connections
3 × Qwiic/STEMMA QT Cable (50mm) JST-SH 4-pin short cables for compact I2C connections
1 × JST GH 1.25mm 6-Pin Cable (100mm) Cable for connecting sen66
1 × M2.5×6mm BHCS Machine Screws Button head cap screws for enclosure assembly
1 × CR1220 Battery 3V lithium coin cell battery for RTC module backup power
1 × DFRobot SEN0466 CO sensor
1 × GP8403 DAC module fan control
1 × DS3231 Clock and Timer ICs / Real-Time Clocks