Hat for Raspberry Pi with a number of sensors:
BME280 temperature, pressure, humidity sensor
LTR-559 light and proximity sensor
MICS6814 analog gas sensor
ADS1015 analog to digital converter (ADC)
MEMS microphone (datasheet)
0.96" colour LCD (160x80)
Connector for particulate matter (PM) sensor (available separately, see https://shop.pimoroni.com/products/pms5003-particulate-matter-sensor-with-cable?variant=29075640352851 )