The SEN0469 is a gas level Sensor manufactured by DF Robot that features an I2C and UART interface, a power supply voltage of 3.3V to 5V DC, an output accuracy of 90%, and a current consumption of 5mA. This sensor is capable of detecting a variety of gaseous substances, including carbon monoxide, propane, natural gas and dioxide. Additionally, this part consists of digital and analog outputs, and can be used for monitoring, storage and other applications.