Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514 _MAKE_PROTO_SMT This Audio Analyzer module can

This Audio Analyzer module can be used to create sound visualizers

1x LM35 Analog Linear Temperature Sensor (DFR0023)

Controllable by I2C or TTL UART signals

the Dual HAT Expansion sits conveniently to the side of the keyboard unit

Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514 _MAKE_PROTO_SMT This Audio Analyzer module canThis is a 3. 3 5V compatible MEMS gas concentration sensor from DFRobot. This sensor supports the detection of various gas concentrations such as CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas concentration conversion formulas in the code to facilitate the testing and use of sensors. With I2C output and 3. 3~5. 5V wide voltage input, it is compatible with Arduino, ESP32, Raspberry Pi and other mainstream controllers. Features Supports