Quantity   Component name
1 × Tenncy-LC or Arduino Pro Mini Used to control periodic monitoring of sensors. BLE enables phone app interaction.
1 × SENSORS: SO2, CO, Pb, NOx, O3, and pm (particulate matter). Preliminary sourcing search yields resolution of 300 ppm to 10,000 ppm.
1 × Weather Proof Enclosure Provides electronics protection while enabling air incursion for analysis.
1 × Texas Instruments LM2937ET-3.3/NOPB 3.3 volt Voltage Regulator
1 × ESP 8266 Wireless Module (for home use) Pushes data to web for logging and sharing
1 × Fan Optional compnent to pass air over sensors.
1 × LoRa Radio Module (for long range use and drone probing)
1 × Amphenol Advanced Sensors SM-PWM-01A Particulate Sensor
1 × Vishay 50k tri pot T93XA503KT20
1 × Vishay SS Relay LH1546AD
1 × Fairchild Semiconductor Adjustable Voltage regulator KA278RA05CTU Power Management ICs / Linear Voltage Regulators and LDOs