Laser head sensor module KY-008

Laser head sensor module KY-008 Operating Voltage = 5 Volt avelength = 650 nm PCB size = 15x24 mm Weight = 2.2 g Pin + Pin - Pin S Example code: void setup () { pinMode (13, OUTPUT); // define the digital output interface 13 feet } void loop () { digitalWrite (13, HIGH); // open the laser head delay (1000); // delay one second digitalWrite (13, LOW); // turn off the laser head delay (1000); // delay one second