Feather nRF52840 Sense Onboard Sensors

Overview

The Feather nRF52840 Sense has a number of onboard sensors to measure the following physical properties.

Physical Property

• Acceleration (LSM6DS33)
• Barometric pressure (BMP280)
• Button clicks (User Button)
• Color (APDS9960)
• Gesture (APDS9960)
• Humidity (SHT30)
• Light (APDS9960)
• Magnetism (LIS3MDL)
• Orientation (LSM6DS33 w/ LIS3MDL)
• Proximity (APDS9960)
• Sound (MP34DT01-M)
• Temperature (BMP280)

APDS9960 Color, Gesture and Proximity Sensor

Pinout

Wired to I2C on standard pins, address 0x39 and IRQ on digital pin 36.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_APDS9960 > Install
• Example: File > Examples > Adafruit_APDS9960 > ...

Resources

• https://docs.broadcom.com/docs/AV02-4191EN
• https://github.com/adafruit/Adafruit_APDS9960 w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058192

BMP280 Temperature and Pressure Sensor

Pinout

Wired to I2C on standard pins, address 0x77.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_BMP280 > Install
• Example: File > Examples > Adafruit_BMP280 > ...

Resources

• https://github.com/adafruit/Adafruit_BMP280 w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058195

LIS3MDL Magnetometer

Pinout

Wired to I2C on standard pins, address 0x1C.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_LIS3MDL > Install
• Example: File > Examples > Adafruit_LIS3MDL > ...

Resources

• https://github.com/adafruit/Adafruit_LIS3MDL w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058191

LSM6DS33 Gyro and Accelerometer

Pinout

Wired to I2C on standard pins, address 0x6A and IRQ on digital pin 3.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_LSM6DS > Install
• Example: File > Examples > Adafruit_LSM6DS > ...

Resources

• https://github.com/adafruit/Adafruit_LSM6DS w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058190

MP34DT01-M PDM Microphone and Sound Sensor

Pinout

Wired to digital pin 34 for PDM data, and 35 for PDM clock.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > ArduinoSound > Install
• Example: File > Examples > ArduinoSound > ...

Resources

• https://github.com/arduino-libraries/ArduinoSound w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058193

SHT30 Humidity Sensor

Pinout

Wired to I2C on standard pins, address 0x44.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_SHT31 > Install
• Example: File > Examples > Adafruit_SHT31 > ...

Resources

• https://github.com/adafruit/Adafruit_SHT31 w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058194

User Button

Pinout

Hard-wired to digital pin 7.

Code

Arduino

• https://www.arduino.cc/reference/en/language/functions/digital-io/digitalread/ (built-in)
• Example: File > Examples > Basics > DigitalReadSerial

Resources

• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058197