This MQ-2 gas sensor module is used for gas leakage monitoring devices and fire protection systems, which are essential in homes and factories. See Description for more details about the product. Add to cart now!
MQ-3 is a highly sensitive gas sensor to alcohol concentrations in the atmosphere. It has low cost and long life with a simple drive circuit and is very useful for detectors used in breath analyzer, environmental monitoring, and in safety devices inside vehicles. See Description for more details about the product. Add to cart now!