Display IMU, temperature and humidity data with Arduino board Nano 33 BLE Sense with IMU LSM9DS1 and sensor HTS221.
Install the dependancy:
arduino-cli lib install Arduino_LSM9DS1
arduino-cli lib install Arduino_HTS221
Split up the code into various *.ino files with a folder structure like this:
$ tree
.
├── Makefile
├── imu.ino
├── nano33-ble-sense-more-ino.ino
└── sensor.ino
#include <Arduino_HTS221.h>
#include <Arduino_LSM9DS1.h>
void setup() {
Serial.begin(9600);
while (!Serial) {}
if (!initSensor()) {
Serial.println("Failed to initialize humidity temperature sensor!");
}
if (!initIMU()) {
Serial.println("Failed to initialize IMU!");
}
Serial.println("Let's start!");
}
void loop() {
float temperature;
float humidity;
getSensorValues(&temperature, &humidity);
Serial.print("Temperature = ");
Serial.print(temperature);
Serial.println(" °C");
Serial.print("Humidity = ");
Serial.print(humidity);
Serial.println(" %");
Serial.println();
delay(1000);
float x, y, z;
if (getAcceleration(&x, &y, &z)) {
Serial.print("X: ");
Serial.print(x);
Serial.print('\t');
Serial.print("Y: ");
Serial.print(y);
Serial.print('\t');
Serial.print("Z: ");
Serial.println(z);
}
}BOARD?=arduino:mbed:nano33ble
PORT?=/dev/cu.usbmodem14*
BUILD=build
.PHONY: default lint all flash clean
default: lint all flash clean
lint:
cpplint --extensions=ino --filter=-legal/copyright,-runtime/int *.ino
all:
arduino-cli compile --fqbn $(BOARD) --output-dir $(BUILD) ./
flash:
arduino-cli upload --fqbn $(BOARD) --port $(PORT) --input-dir $(BUILD)
clean:
rm -r build