Environment Sensors

We want to record two things at minimum, temperature and humidity.

PN#	IC/PN# Cost	Module Cost	Extra Values	Notes
SHT30	$4.00	$3.70	None
SHT31	$7.00	$7.00	None
BME680		$11.50	VOC	VOC=volatile organic compounds
DHT22		$7.00	None
Si7021		$5.00	None
AHT20
AM2320		$3.00	None