Feather nRF52840 Sense Onboard Sensors

Overview by Physical Property

The Feather nRF52840 Sense has onboard sensors to measure:

• 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

Sensor is I2C on standard pins, address 0x39 and IRQ pin 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

Sensor is 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

Sensor is 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-3058195

LSM6DS33 Gyro and Accelerometer

Pinout

Sensor is I2C on standard pins, address 0x6A and IRQ pin on digital pin 3.

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Adafruit_LSM6DS33 > Install
• Example: File > Examples > Adafruit_LSM6DS33 > ...

Resources

• https://github.com/adafruit/Adafruit_LSM6DS33 w/ examples
• https://learn.adafruit.com/adafruit-feather-sense/pinouts#step-3058195

MP34DT01-M PDM Microphone and Sound Sensor

PDM sound sensor. In Arduino, D34 is PDM data, and D35 is PDM clock.

Pinout

Sensor is I2C on standard pins, address 0x77.

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-3058195

SHT30 Humidity Sensor

This sensor has an excellent ±2% relative humidity and ±0.5°C accuracy for most uses. Sensor is I2C on standard pins, address 0x44

Pinout

Sensor is I2C on standard pins, address 0x77.

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-3058195

User Button

The button on the right is both usable by the bootloader and user-controllable. Address it in code using pin D7 in Arduino.