One Wire Digital Temperature Sensor - DS18B20
Humidity and Temperature Sensor - RHT03 (DHT22)
Humidity Sensor - HIH-4030 Breakout
MCP9808 High Accuracy I2C Temperature Sensor Breakout Board
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board
Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2
SparkFun Air Quality Breakout - CCS811
SparkFun Particle Sensor Breakout - MAX30105
SparkFun Essential Sensor Kit
SparkFun IoT Starter Kit with Blynk Board
SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)
Anemometer Wind Speed Sensor w/Analog Voltage Output
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
Alcohol Gas Sensor MQ-3
Carbon Monoxide Gas Sensor MQ-7
Carbon Monoxide & Flammable Gas Sensor MQ-9
Flammable Gas & Smoke Sensor MQ-2
LPG / Isobutane / Propane Gas Sensor MQ-6
Methane Gas Sensor MQ-4
Pololu Carrier for MQ Gas Sensors (Bare PCB Only)
SparkFun Lightning Detector - AS3935 (Qwiic)
Adafruit Wide-Range Triple-axis Magnetometer - MLX90393
Weather Meters
LilyPad Temperature Sensor