Photon + MPL3115A2 - Not Reading

[peekay123]

@srfnmnk, try running the I2C scanner to see if the device shows up and at what address:

I2C Humidity Sensor

A while back, somebody pointed me to this, which I’ve used to debug I2C issues on a Spark: // -------------------------------------- // i2c_scanner // // http://playground.arduino.cc/Main/I2cScanner // // Version 1 // This program (or code that looks like it) // can be found in many places. // For example on the Arduino.cc forum. // The original author is not know. // Version 2, Juni 2012, Using Arduino 1.0.1 // Adapted to be as simple as possible by Arduino.cc user Krodal // Ve…