VEML7700 Ambient Light I2C

Tekniske detaljer:

• Forsynning: 3.3 or 5 Vdc
• Interface: I2C
• I2C adresse: 0x10 (ikke modificerbar)
• Måle område: 0 to 120,000 lux on 16 bits
• Nøjagtighed: 0.0036 lux / ct
• Regulatorudgang: 3.3 Vdc / 100 mA max
• Dimension: 17 x 17 x 4 mm

Kode:

#include "Adafruit_VEML7700.h"

Adafruit_VEML7700 veml = Adafruit_VEML7700();

void setup() {
Serial.begin(115200);
while (!Serial) { delay(10); }
Serial.println("Adafruit VEML7700 Test");

if (!veml.begin()) {
Serial.println("Sensor not found");
while (1);
}
Serial.println("Sensor found");

// == OPTIONAL =====
// Can set non-default gain and integration time to
// adjust for different lighting conditions.
// =================
// veml.setGain(VEML7700_GAIN_1_8);
// veml.setIntegrationTime(VEML7700_IT_100MS);

Serial.print(F("Gain: "));
switch (veml.getGain()) {
case VEML7700_GAIN_1: Serial.println("1"); break;
case VEML7700_GAIN_2: Serial.println("2"); break;
case VEML7700_GAIN_1_4: Serial.println("1/4"); break;
case VEML7700_GAIN_1_8: Serial.println("1/8"); break;
}

Serial.print(F("Integration Time (ms): "));
switch (veml.getIntegrationTime()) {
case VEML7700_IT_25MS: Serial.println("25"); break;
case VEML7700_IT_50MS: Serial.println("50"); break;
case VEML7700_IT_100MS: Serial.println("100"); break;
case VEML7700_IT_200MS: Serial.println("200"); break;
case VEML7700_IT_400MS: Serial.println("400"); break;
case VEML7700_IT_800MS: Serial.println("800"); break;
}

veml.setLowThreshold(10000);
veml.setHighThreshold(20000);
veml.interruptEnable(true);
}

void loop() {
Serial.print("raw ALS: "); Serial.println(veml.readALS());
Serial.print("raw white: "); Serial.println(veml.readWhite());
Serial.print("lux: "); Serial.println(veml.readLux());

uint16_t irq = veml.interruptStatus();
if (irq & VEML7700_INTERRUPT_LOW) {
Serial.println("** Low threshold");
}
if (irq & VEML7700_INTERRUPT_HIGH) {
Serial.println("** High threshold");
}
delay(500);
}