SparkFun ToF Range Finder Breakout - VL6180 Boards, Proximity, Sparkfun Originals Security & Surveillance These are small rare earth

These are small rare earth magnets - 3/16" rings

The board incorporates a charging circuit

The Uno R3 works with all existing shields but can adapt to new shields which use these additional pins

It’s nice

SparkFun ToF Range Finder Breakout - VL6180 Boards, Proximity, Sparkfun Originals Security & Surveillance These are small rare earthThis is the SparkFun Time of Flight Range Finder, a breakout for the VL6180 distance sensor. Unlike most distance sensors that rely reflected light intensity or reflected angles to determine range, the VL6180 uses a precise clock to measure the time it takes light to bounce back from a surface. This affords the ToF Range Finder and VL6180 a great benefit over other methods because it can be much more accurate and more immune to noise. Does this