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7Semi SCD43 CO2, Temperature & Humidity Sensor Breakout Board with I2C Qwiic
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The 7Semi SCD43 CO₂, Temperature & Humidity Sensor Breakout Board with I2C Qwiic is a compact and versatile environmental sensor designed for accurate indoor air-quality monitoring. Powered by Sensirion’s PASens photoacoustic NDIR technology, it measures CO₂ concentrations from 0 to 40,000 ppm with an accuracy of ±(30 ppm + 3% of the reading).
Along with CO₂ measurement, the sensor provides temperature and relative humidity readings, giving you useful environmental data from a single module. Its I2C Qwiic interface makes integration with compatible microcontrollers and development boards simple, making it suitable for IoT projects, smart building systems, HVAC monitoring, indoor air-quality monitors, environmental sensing, and automation applications.
Important power note: When powering the board through VCC, the 3V3 pin acts as the regulated 3.3V output with 200mA current rating . Alternatively, the board can be powered directly through the 3V3 pin. Do not apply power to both VCC and 3V3 at the same time.
| Specification | Details |
|---|---|
| Category of Product | Digital Environmental Sensor |
| Supply Voltage (VCC) | 3.6V to 5.5V |
| Communication Interface | I2C |
| Operating Temperature | -10°C to +60°C |
| Temperature Accuracy | ±0.8°C typical from 15°C to 35°C |
| Operating Humidity | 0%RH to 95%RH, non-condensing |
| Humidity Accuracy | ±6%RH typical |
| CO₂ Measurement Output Range | 0 – 40,000 ppm |
| CO₂ Measurement Accuracy | ±(30 ppm + 3% of reading) at 400 ppm – 5,000 ppm |
| Dimensions | 30 mm × 22 mm × 7.83 mm |
This product comes with a 6-month manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
Nice products
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I think OV3660 is a good module,but there should be an option for OV2640 too,cause esp32 cam performs better with OV2640. OV3660 will heat very fast and the streaming will be slow,but it has its own use like it has better resolution and better low light image processing.
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