PrecisionPutt DIY Monitor

DIY putting mat wired to an Arduino and breadboard with red sensor LEDs along the lanes.
Overhead view of a green putting mat with a golf ball, putter, and Arduino sensor wiring.
Putting-green prototype on the floor with an Arduino, breadboard, and tangled jumper wires.
Side view of the sensor-wired putting mat with breadboard and Arduino on a wood floor.