AVNET’S RENESAS ZMOD4410 INDOOR AIR QUALITY HAT FOR RASPBERRY PI

Sensor HAT based on Renesas ZMOD4410 module accelerates design of products requiring indoor air quality measurement capabilities

Avnet’s Renesas ZMOD4410 Indoor Air Quality HAT for Raspberry Pi is an evaluation, development and quick-prototyping tool intended for professionals developing a wide variety of mains-powered and battery-powered products with indoor air quality monitoring capability. The HAT features an on-board calibrated ZMOD4410 sensor that measures the concentrations of Total Volatile Organic Compounds (TVOC) and can estimate carbon dioxide (eCO2) levels. These are important indicators for monitoring indoor air quality. All sensors are electrically and chemically (gas) tested with calibration data stored in the ZMOD4410’s built-in nonvolatile memory.

In addition to the ZMOD4410 sensor, the HAT incorporates a Renesas HS3001 Precision Relative Humidity and Temperature Sensor, along with software-controlled status LEDs.

In certain applications, it may be desirable to shift the ZMOD4410 sensing element’s chemical selectivity and sensitivity, or to model its operation at supply voltages other than 3.3V. The HAT facilitates this with a user-adjustable power supply; a jumper selects the default fixed 3.3V supply or one which can be set from 1.75V to 3.9V. The HAT also provides connection points to measure the ZMOD4410 current consumption. This may be useful when integrating the sensor and its software into an extended-life battery-powered product.

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