Further information for Allnet ALL-B-8 Gas Sensor CO and Flammable Gases
ALLNET 4duino sensor gas carbon monoxide + flammable gases
4duino for Carbon Monoxide Sensitive and flammable gas. Sensor: MQ-9
analog (0 ~ 5V, high concentration = higher voltage) and TTL digital output (low-active, alarm level can be adjusted)
Operating Voltage: 5V
B-8 (C14)