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Thread: BH1750 Light Sensor and Teensy 3.2 compatible?

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  1. #1
    Junior Member
    Join Date
    Feb 2020

    BH1750 Light Sensor and Teensy 3.2 compatible?

    I am getting a response from the sensor but it is an erroneous number and not a true sensor reading. I believe this is because there is something wrong with my wiring.

    I have the SDA pin of the sensor going to Pin 18 and SCL going to Pin 19 on the Teensy 3.2

    #define HWSERIAL Serial1
    #include <MFRC522.h>
    #include <SPI.h>
    #include <Wire.h>
    #include "BH1750FVI.h"
    BH1750FVI LightSensor;
    void setup() {
    void loop() {
      uint16_t lux = LightSensor.GetLightIntensity();
      HWSERIAL.print("Lux = ");HWSERIAL.print(lux);
    Last edited by colinodowd; 02-04-2020 at 05:41 PM.

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