Product Description

Pico Environmental Sensor Expansion Board

Used with Raspberry Pico, it can collect sensor data such as temperature, humidity, atmospheric pressure, ambient light, VOC, ultraviolet ray, etc. of the surrounding environment, and can also easily DIY a robot that can detect the movement posture and orientation.

Feature:

  • On-board Raspberry Pi Pico interface for Raspberry Pi Pico series motherboards
  • On-board TSL25911FN digital ambient light sensor can measure infrared light intensity and visible light of human eyes.
  • The onboard BME280 temperature, humidity and air pressure sensor can measure temperature, humidity and air pressure.
  • The onboard ICM20948 motion and attitude sensor can measure acceleration, gyroscope and magnetometer.
  • On-board LTR390-UV-1 ultraviolet sensor can measure ultraviolet light intensity.
  • On-board SGP40 gas sensor can detect environmental VOC
  • I2c interface, two wires can read and display.
  • Provide complete supporting information manuals (sample programs such as Raspberry Pi Pico C/C++ and MicroPython)

Product Parameter:

TSL25911FN digital ambient light sensor

  • I2C address: 0x29
  • Effective range: 0-88000LUX

BME280 temperature, humidity and air pressure sensor

  • I2C address: 0x76
  • Temperature detection: -40~85℃ (resolution 0.01℃, accuracy 1℃)
  • Humidity detection: 0~100%RH (resolution 0.008%RH, accuracy 3% RH, response time 1s, lag ≤2%RH)
  • Air pressure detection: 300~1100hPa (resolution 0.18Pa, accuracy 1 HPA)

ICM20948 Motion and Attitude Sensor

(9-axis sensor, 3-axis acceleration, 3-axis gyroscope, 3-axis magnetometer)

  • I2C address: 0x68
  • Accelerometer resolution: 16 bits
  • Acceleration range (optional): ±2g, ±4g, ±8g, ±16g
  • Gyroscope resolution: 16 bits
  • Gyroscope range (optional): ±250、±500、±1000、±2000°/sec
  • Magnetometer resolution: 16 bits
  • Measuring range of magnetometer: ±4900μT

LTR390-UV-1 ultraviolet sensor

  • I2C address: 0x53
  • Response wavelength: 280nm-430nm

SGP40 gas sensor

  • I2C address: 0x59
  • Measurement range: 0 to 1,000 ppm ethanol equivalent
  • Detection limit: < 0.05ppm ethanol equivalent < 10% concentration set point (whichever is greater)
  • Response time < 10s (Tau 63%)
  • Start time < 60s
  • Support on-chip humidity compensation

Resources Introduction

1.TSL25911FN

Digital ambient light sensor can measure infrared light intensity and human eyes.

visible light

2.LTR390-UV-1

Ultraviolet sensor, which can measure ultraviolet light intensity.

3.SGP40

gas sensor

4.ICM20948

3-axis acceleration, 3-axis gyroscope and 3-axis magnetometer

5. Voltage conversion chip

5V to 3.3V/1.8V

6. BME280

Temperature, humidity and air pressure sensor

7. Logic level conversion

3.3V-1.8V

8.I2C selection resistor

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