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Environmental sensor - hat for Raspberry Pi - Waveshare 20471
An environmental sensor in the form of an overlay for Raspberry Pi equipped with a number of useful sensors. It has built-in temperature, humidity, air pressure, ambient light for measuring infrared and visible light, a 9 DoF motion sensor, a sensor for measuring UV rays, and a VOC sensor for detecting volatile organic compounds in the environment. The overlay uses the I2C bus for communication. It is powered by a voltage of 5 V.
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Product description: Environmental sensor - overlay for Raspberry Pi - Waveshare 20471
Environmental sensor overlay for Raspberry Pi equipped with a range of useful sensors. It has a built-in sensor for temperature, humidity, air pressure, ambient light for measuring infrared and visible light, a 9 DoF motion sensor, a sensor for measuring UV rays, and a VOC sensor for detecting volatile organic compounds in the environment. The overlay uses the I2C bus for communication. It is powered by a voltage of 5 V.
Kit contents
- Environmental sensor - overlay for Raspberry Pi - Waveshare 20471 - 1 piece
- Female header 2x20 pin - 2.54 mm pitch - 1 piece
- Goldpin strip 1x4 pin - 2.54 mm raster - 1 piece
- Set of screws and spacers to connect to Raspberry Pi
- Male to female spacer - 2 pieces
- mounting screws - 3 pieces
- washers - 3 pieces
Kit contents.
Product compatible with Raspberry Pi
The manufacturer provides a product wiki page that contains a detailed user guide and useful programming resources.
Botland is an official distributor of Waveshare devices. Their versatility and compatibility, particularly in display and power technology, have won over customers all over the world. Our team guarantees that all Waveshare products presented here are original.
The overlay has pinouts that match the GPIO connector layout on the Raspberry Pi.
Special features
- Pinouts are compatible with Raspberry Pi GPIO pinouts
- Built-in TSL25911FN digital ambient light sensor, to measure infrared and visible light
- Built-in BME280 sensor, to measure temperature, humidity and pressure
- Embedded ICM20948 motion sensor - 3-axis accelerometer, 3-axis gyroscope and 3-axis magnetometer
- Embedded LTR390-UV-1 UV sensor
- Embedded SGP40 sensor for ambient VOC detection
- Communication via I2C interface
- Manufacturer provides examples and programming resources (examples for Raspberry Pi / Arduino / STM32)
Arrangement of elements on the frontend
- GPIO pinouts compatible with Raspberry Pi
- TSL25911FN digital ambient light sensor, for infrared and visible light measurements
- UV sensor LTR390-UV-1
- SGP40 VOC sensor
- ICM20948 - 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer
- BME280 Temperature, humidity and air pressure sensor
- Logic level converter from 3.3 V to 1.8 V
- Voltage regulator 5 V to 3.3 V / 1.8 V
Arrangement of the components on the overlay.
Leads of the overlay.
Pinout description
- 5 V - power pin
- GND - system ground
- SDA - I2C bus data line
- SCL - I2C bus clock line
Temperature, humidity and air pressure sensor specification
- Embedded chip: BME280
- I2C interface address: 0x76
- Temperature measurement:
- range: from -40°C to 85°C
- resolution: 0.01°C
- accuracy: ± 1°C
- Humidity measurement:
- range: from 0% to 100% RH
- resolution: 0.008% RH
- accuracy: ± 3% RH
- response time: 1 s
- delay: ≤ 2% RH
- Pressure measurement:
- range: from 300 hPa to 1100 hPa
- resolution: 0.18 Pa
- accuracy: ± 1 hPa
Technical specifications of the environmental sensor
- Application: for Raspberry Pi
- Built-in sensors:
- digital ambient light sensor
- sensor for measuring temperature, humidity and air pressure
- motion sensor - 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer
- UV radiation sensor
- sensor for the detection of volatile organic compounds in the environment
- Communication interface: I2C bus
- Board dimensions: 65 x 30 mm
Ambient light sensor specification
- Integrated circuit: TSL25911FN
- I2C interface address: 0x29
- Range: 0 lx to 88000 lx
The cap has 4 mounting holes.
Interpretation of VOC index readings.
Specification of VOC sensor
- Purpose: to detect volatile organic compounds in the environment
- Embedded circuitry: SGP40
- I2C interface address: 0x59
- Measurement scale: from 0 ppm to 1000 ppm
- VOC index value: 0 to 500
- from 0 to 100 - air quality: excellent
- 100 to 200 - air quality: good
- 200 to 300 - air quality: slightly polluted
- 300 to 400 - air quality: medium pollution
- 400 to 500 - air quality: very dirty
Motion detector specifications
- Integrated circuit: ICM20948
- Number of degrees of freedom: 9 DoF
- Number of measurement axes: 3 (X, Y, Z)
- I2C interface address: 0x68
- Resolution: 16 bit
- Accelerometer:
- measurement: acceleration
- range: ± 2, ± 4, ± 8, ± 16 g (configurable)
- Gyroscope:
- measurement: angular velocity
- range: ± 250, ± 500, ± 1000, ± 2000 °/s (configurable)
- Magnetometer:
- measurement: magnetic field
- range: ± 4900 µT
UV measurement sensor specifications
- Embedded circuit: LTR390-UV-1
- I2C interface address: 0x53
- Wavelength: 280 nm to 430 nm
Environmental sensor - overlay for Raspberry Pi - Waveshare 20471.
Useful links
| Name | Value |
|---|---|
| Width | 7 cm |
| Height | 10 cm |
| Depth | 1.5 cm |
| Weight | 0.02 kg |
GLS
Shipping in 24 hours
from €8.07
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Delivery in 3–5 days, no inside delivery
from €96.75
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
Question: Hello, is the module compatible with Pi 3B ?
Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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